### Tamilnadu Board Computer Science Question papers for 12th Standard (English Medium) Question paper & Study Materials

#### 12th Standard English Medium Computer Science Reduced Syllabus Annual Exam Model Question Paper With Answer Key - 2021 - by Shalini - Madurai - Feb 27, 2021 - View & Read

• 1)

Which of the following is a unit of code that is often defined within a greater code structure?

• 2)

The functions which cause side effects to the arguments passed are called

• 3)

Which of the following functions that retrieve information from the data type?

• 4)

Bundling two values together into one can be considered as

• 5)

The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?

#### 12th Standard English Medium Computer Science Reduced Syllabus Annual Exam Model Question Paper - 2021 - by Shalini - Madurai - Feb 27, 2021 - View & Read

• 1)

The values which are passed to a function definition are called

• 2)

Which of the following defines what an object can do?

• 3)

Which of the following carries out the instructions defined in the interface?

• 4)

The data structure which is a mutable ordered sequence of elements is called

• 5)

The data type whose representation is known are called

#### 12th Standard English Medium Computer Science Reduced syllabus Public Exam Model Question Paper - 2021 - by Shalini - Madurai - Feb 27, 2021 - View & Read

• 1)

Which of the following defines what an object can do?

• 2)

Which of the following functions that build the abstract data type ?

• 3)

Bundling two values together into one can be considered as

• 4)

From the following sorting algorithms which algorithm needs the minimum number of swaps?

• 5)

The complexity of linear search algorithm is

#### 12th Standard English Medium Computer Science Reduced syllabus Public Exam Model Question Paper With Answer Key - 2021 - by Shalini - Madurai - Feb 27, 2021 - View & Read

• 1)

Which of the following is a unit of code that is often defined within a greater code structure?

• 2)

The functions which will give exact result when same arguments are passed are called

• 3)

The data type whose representation is known are called

• 4)

The data type whose representation is unknown are called

• 5)

The process of binding a variable name with an object is called

#### 12th Standard English Medium Computer Science Reduced syllabus Creative Five Mark Question with Answer key - 2021(Public Exam ) - by Shalini - Madurai - Feb 27, 2021 - View & Read

• 1)

Explain the representation of Abstract datatype using rational numbers.

• 2)

Explain the concept accesscontrol.

• 3)

Write a note on Efficiency of an algorithm

• 4)

Explain the sorting algorithm that uses n-1 number passes to get the final sorted list

• 5)

Explain Jump statement in python.

#### 12th Standard English Medium Computer Science Reduced syllabus Creative Three Mark Question with Answer key - 2021(Public Exam ) - by Shalini - Madurai - Feb 27, 2021 - View & Read

• 1)

Explain the syntax of function definitions

• 2)

Write a short note an syntax for function types.

• 3)

Give an example of an ADT for rational numbers.

• 4)

Write a note on built-in scope.

• 5)

How will you ensure the principle of data encapsulation in object - oriented programming?

#### 12th Standard English Medium Computer Science Reduced syllabus Creative Two Mark Question with Answer key - 2021(Public Exam ) - by Shalini - Madurai - Feb 27, 2021 - View & Read

• 1)

Differentiate parameters and arguments.

• 2)

What is recursive function?

• 3)

How the concrete level of data abstraction implemented?

• 4)

How a class defines a data abstraction?

• 5)

What is the use ofLEGB rule?

#### 12th Standard English Medium Computer Science Reduced syllabus Creative one Mark Question with Answer key - 2021(Public Exam ) - by Shalini - Madurai - Feb 27, 2021 - View & Read

• 1)

Which of the following optimization technique used in dynamic algorithms

• 2)

Data are maintained and manipulated effectively through_________

• 3)

Recursion used to calculate factorial of a given value n in algorithm is an example of________ component

• 4)

Which of the following can be identify by an identifier?

• 5)

Which of the following is not a fundamental data type?

#### 12th Standard English Medium Computer Science Reduced Syllabus Five Mark important Questions With Answer Key - 2021(Public Exam ) - by Shalini - Madurai - Feb 27, 2021 - View & Read

• 1)

Explain with example Pure and impure functions.

• 2)

How will you facilitate data abstraction. Explain it with suitable example

• 3)

What is a List? Why List can be called as Pairs. Explain with suitable example

• 4)

Explain the representation of Abstract datatype using rational numbers.

• 5)

Explain the types of scopes for variable or LEGB rule with example.

#### 12th Standard English Medium Computer Science Reduced Syllabus Five Mark important Questions - 2021(Public Exam ) - by Shalini - Madurai - Feb 27, 2021 - View & Read

• 1)

Identify in the following program
let rec gcd a b :=
if b <> 0 then gcd b (a mod b) else return a
i) Name of the function
ii) Identify the statement which tells it is a recursive function
iii) Name of the argument variable
iv) Statement which invoke the function recursively
v) Statement which terminates the recursion

• 2)

Explain the representation of Abstract datatype using rational numbers.

• 3)

What is Binary search? Discuss with example

• 4)

Explain complexity of an algorithm.

• 5)

Explain Selection sort sorting algorithm.

#### 12th Standard English Medium Computer Science Reduced Syllabus Three Mark important Questions With Answer Key - 2021(Public Exam ) - by Shalini - Madurai - Feb 27, 2021 - View & Read

• 1)

Mention the characteristics of Interface.

• 2)

Wha happens if you modify a variable outside the function? Give an example

• 3)

Write a short note an syntax for function types.

• 4)

Define Global scope with an example

• 5)

Write the different factors in which the time efficiency of an algorithm its measured

#### 12th Standard English Medium Computer Science Reduced Syllabus Three Mark important Questions - 2021(Public Exam ) - by Shalini - Madurai - Feb 27, 2021 - View & Read

• 1)

Mention the characteristics of Interface.

• 2)

What is the side effect of impure function. Give example.

• 3)

Explain the syntax of function definitions

• 4)

Identify Which of the following are List, Tuple and class ?
(a) arr [1, 2, 34]
(b) arr (1, 2, 34)
(c) student [rno, name, mark]
(d) day= (‘sun’, ‘mon’, ‘tue’, ‘wed’)
(e) x= [2, 5, 6.5, [5, 6], 8.2]
(f) employee [eno, ename, esal, eaddress]

• 5)

Define Enclosed scope with an example

#### 12th Standard English Medium Computer Science Reduced Syllabus Two Mark important Questions With Answer Key - 2021(Public Exam ) - by Shalini - Madurai - Feb 27, 2021 - View & Read

• 1)

Differentiate interface and implementation

• 2)

Give an example of function definition parameter with type

• 3)

Construct on algorithm that arranges meetings between these two types so that they change their color to the third type. In the end, all should display the same color.

• 4)

How the concrete level of data abstraction implemented?

• 5)

Write a pseudocode to depressant rational numbers using list.

#### 12th Standard English Medium Computer Science Reduced Syllabus Two Mark important Questions - 2021(Public Exam ) - by Shalini - Madurai - Feb 27, 2021 - View & Read

• 1)

Define Function with respect to Programming language.

• 2)

Differentiate constructors and selectors.

• 3)

Write a pseudocode to depressant rational numbers using list.

• 4)

What is a scope?

• 5)

What is the use ofLEGB rule?

#### 12th Standard English Medium Computer Science Reduced Syllabus One mark Important Questions With Answer Key - 2021(Public Exam ) - by Shalini - Madurai - Feb 27, 2021 - View & Read

• 1)

Which of the following defines what an object can do?

• 2)

Which of the following carries out the instructions defined in the interface?

• 3)

The functions which will give exact result when same arguments are passed are called

• 4)

Which of the following is an instance created from the class?

• 5)

Which of the following is a type for objects whose behavior is defined by a set of value and a set of operations?

#### 12th Standard English Medium Computer Science Reduced Syllabus One mark Important Questions - 2021(Public Exam ) - by Shalini - Madurai - Feb 27, 2021 - View & Read

• 1)

Which of the following is a distinct syntactic block?

• 2)

The data type whose representation is unknown are called

• 3)

Which of the following is a compound structure?

• 4)

Which of the following provides modularity?

• 5)

Which of the following extract the information of the object?

#### 12th Standard Computer Science English Medium Data Visualization Using Pyplot Reduced Syllabus Important Questions With Answer Key 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

Which is a python package used for 2D graphics?

• 2)

Identify the package manager for Python packages, or modules.

• 3)

To install matplotlib, the following function will be typed in your command prompt. What does “-U”represents?
Python –m pip install –U pip

• 4)

a. import matplotlib.pyplot as plt
b. plt.plot(3,2)
c. plt.show()
Identify the output for the above coding

• 5)

Which key is used to run the module?

#### 12th Standard Computer Science English Medium Data Visualization Using Pyplot Reduced Syllabus Important Questions 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

Identify the package manager for Python packages, or modules.

• 2)

Read the following code: Identify the purpose of this code and choose the right option from the following.
C:\Users\YourName\AppData\Local\Programs\Python\Python36-32\Scripts>pip –version

• 3)

Read the following code: Identify the purpose of this code and choose the right option from the following.

• 4)

Identify the right type of chart using the following hints.
Hint 1: This chart is often used to visualize a trend in data over intervals of time.
Hint 2: The line in this type of chart is often drawn chronologically.

• 5)

The numerical data is encoded using

#### 12th Standard Computer Science English Medium Data Manipulation Through SQL Reduced Syllabus Important Questions With Answer Key 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

SQLite falls under which database system?

• 2)

The most commonly used statement in SQL is

• 3)

Which method is SQlite is used create a connection with a database file created?

• 4)

The SQlite command opens the already created database is

• 5)

Which SQlite method is used to fetch the required number of rows in the database table?

#### 12th Standard Computer Science English Medium Data Manipulation Through SQL Reduced Syllabus Important Questions 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

SQLite falls under which database system?

• 2)

Which of the following is called the master table?

• 3)

A table column will be automatically auto incremented in SQlite3 by giving

• 4)

Which sqlite method is used to fetch all rows from the database table?

• 5)

Which SQlite method is used to fetch the required number of rows in the database table?

#### 12th Standard Computer Science English Medium Importing C++ Programs in Python Reduced Syllabus Important Questions With Answer Key 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

Which of the following is not a scripting language?

• 2)

Which of the following is a software design technique to split your code into separate parts?

• 3)

The module which allows you to interface with the Windows operating system is

• 4)

getopt() will return an empty array if there is no error in splitting strings to

• 5)

Identify the function call statement in the following snippet.
if __name__ =='__main__':
main(sys.argv[1:])

#### 12th Standard Computer Science English Medium Importing C++ Programs in Python Reduced Syllabus Important Questions 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

c++ code is 5 to 10 times more than

• 2)

Which of the following python interface used for both C and C++?

• 3)

MinGW expansion is

• 4)

Which of the following is needed to run a c++ program on windows?

• 5)

In the command python <filename.py> - i <c++ filename> where i denotes.

#### 12th Standard Computer Science English Medium Python and CSV Files Reduced Syllabus Important Questions With Answer Key 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

The expansion of CRLF is

• 2)

Which of the following creates an object which maps data to a dictionary?

• 3)

Which of the following gives the python programmer the ability to parse CSV files?

• 4)

Fields containing line breaks denoted by

• 5)

In Excel, the default CSV files should open automatically by

#### 12th Standard Computer Science English Medium Python and CSV Files Reduced Syllabus Important Questions 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

A CSV file is also known as a ….

• 2)

The command used to skip a row in a CSV file is

• 3)

What is the output of the following program? import csv
next(d)
for row in d:
print(row)
if the file called “city.csv” contain the following details
chennai,mylapore
mumbai,andheri

• 4)

What will be written inside the file test.csv using the following program
import csv
D = [['Exam'],['Quarterly'],['Halfyearly']]
csv.register_dialect('M',lineterminator = '\n')
with open('c:\pyprg\ch13\line2.csv', 'w') as f:
wr = csv.writer(f,dialect='M')
wr.writerows(D)
f.close()

• 5)

Which of the following is a human readable text file where each line has fields?

#### 12th Standard Computer Science English Medium Structured Query Language Reduced Syllabus Important Questions With Answer Key 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

SQL originally called as

• 2)

Latest SQL standard as of now is

• 3)

WAMP stands for

• 4)

TCL stands for

• 5)

DQL Stands for

#### 12th Standard Computer Science English Medium Structured Query Language Reduced Syllabus Important Questions 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

Which commands provide definitions for creating table structure, deleting relations, and modifying relation schemas.

• 2)

The clause used to sort data in a database

• 3)

Which of the following language was designed for managing and accessing data in RDBMS?

• 4)

SQL stands for

• 5)

SQL originally called as

#### 12th Standard Computer Science English Medium Database Concepts Reduced Syllabus Important Questions With Answer Key 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

Who developed ER model?

• 2)

Which of the following is an organized collection of data?

• 3)

Which of the following is an organized collection of data, which can be stared and a cersed through computer system

• 4)

Which of the following allows users to store, process and analyze data easily?

• 5)

Which of the following provided an interface to perform various operations to create a database, storing and updating data?

#### 12th Standard Computer Science English Medium Database Concepts Reduced Syllabus Important Questions 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

Which of the following is an organized collection of data?

• 2)

Which of the following is an organized collection of data, which can be stared and a cersed through computer system

• 3)

Which of the following a data contain?

• 4)

Which of the following provided an interface to perform various operations to create a database, storing and updating data?

• 5)

Which of the following provides protection and security to the databases?

#### 12th Standard Computer Science English Medium Python Classes and Objects Reduced Syllabus Important Questions With Answer Key 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

Which of the following are the key features of an Object Oriented Programming language?

• 2)

Which of the following method is used as destructor?

• 3)

Which of the following class declaration is correct?

• 4)

Which of the following is the output of the following program?
class Student:
def __init__(self, name):
self.name=name
S=Student(“Tamil”)

• 5)

Functions of the class are called as

#### 12th Standard Computer Science English Medium Python Classes and Objects Reduced Syllabus Important Questions 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

Which of the following are the key features of an Object Oriented Programming language?

• 2)

Functions of the class are called as

• 3)

In Python, every class name followed by

• 4)

Which of the following can be accessed by using object with dot (.) operator?

• 5)

Which of the following is valid syntax of accessing class members

#### 12th Standard Computer Science English Medium Lists, Tuples, Sets and Dictionaries Reduced Syllabus Important Questions With Answer Key 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

If List=[17,23,41,10] then List.append(32) will result

• 2)

Which of the following Python function can be used to add more than one element within an existing list?

• 3)

Which of the following is not datatype in Python?

• 4)

Which of the following is an ordered collection of values?

• 5)

Which of the following datatype enclosed with [ ]?

#### 12th Standard Computer Science English Medium Lists, Tuples, Sets and Dictionaries Reduced Syllabus Important Questions 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

Let list1=[2,4,6,8,10], then print(List1[-2]) will result in

• 2)

If List=[10,20,30,40,50] then List[2]=35 will result

• 3)

Which of the following statement is not correct?

• 4)

Let setA={3,6,9}, setB={1,3,9}. What will be the result of the following snippet?
print(setA|setB)

• 5)

Which of the following set operation includes all the elements that are in two sets but not the one that are common to two sets?

#### 12th Standard Computer Science English Medium Strings and String Manipulations Reduced Syllabus Important Questions With Answer Key 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

What will be the output of the following code?
str1 = "Chennai Schools"
str1[7] = "-"

• 2)

Strings in python:

• 3)

What is stride?

• 4)

The subscript of a string may be:

• 5)

Which of the following allows creation of multiline strings

#### 12th Standard Computer Science English Medium Strings and String Manipulations Reduced Syllabus Important Questions 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

Which of the following is the output of the following python code?
print(str1[::-1])

• 2)

Defining strings within triple quotes allows creating:

• 3)

Which of the following is used as placeholders or replacement fields which get replaced along with format( ) function?

• 4)

Which of the following allows creation of multiline strings

• 5)

Which of the following is used to access and manipulate the strings

#### 12th Standard Computer Science English Medium Python Functions Reduced Syllabus Important Questions With Answer key 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

A Function which calls itself is called as

• 2)

Read the following statement and choose the correct statement(s).
(I) In Python, you don’t have to mention the specific data types while defining function.
(II) Python keywords can be used as function name.

• 3)

Which of the following keyword is used to define the function testpython(): ?

• 4)

How many types of functions are there in python?

• 5)

Which of the following is not a type of function in python?

#### 12th Standard Computer Science English Medium Python Functions Reduced Syllabus Important Questions 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

Functions that calls itself are known as

• 2)

Which of the following statement exits a function?

• 3)

In Python, statement in a block are written with

• 4)

Which of the following functions is an example that supports variable-length arguments?

• 5)

A _ with local scope can be accessed only within the block

#### 12th Standard Computer Science English Medium Control Structures Reduced Syllabus Important Questions With Answer Key 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

How many important control structures are there in Python?

• 2)

The condition in the if statement should be in the form of

• 3)

Which is the most comfortable loop?

• 4)

Which punctuation should be used in the blank?
if < condition > ____
statements-block 1
else:
statements-block 2

• 5)

Which of the following are the executable segments that yield the result?

#### 12th Standard Computer Science English Medium Control Structures Reduced Syllabus Important Questions 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

How many important control structures are there in Python?

• 2)

elif can be considered to be abbreviation of

• 3)

What plays a vital role in Python programming?

• 4)

What is the output of the following snippet?
T=1
while T:
print(True)
break

• 5)

Which amongst this is not a jump statement ?

#### 12th Standard Computer Science English Medium Python - Variables and Operators Reduced Syllabus Important Questions With Answer Key 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

The Python prompt indicates that Interpreter is ready to accept instruction.

• 2)

Which operator is also called as Comparative operator?

• 3)

Which of the following is not Logical operator?

• 4)

Which operator is also called as Conditional operator?

• 5)

In Python, the script mode programs can be stored with the extension.

#### 12th Standard Computer Science English Medium Python - Variables and Operators Reduced Syllabus Important Questions 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

The Python prompt indicates that Interpreter is ready to accept instruction.

• 2)

Which operator is also called as Conditional operator?

• 3)

Which of the following mode cannot be written Python program?
(i) Interactive mode
(ii) Script mode
(iii) Calculator mode
(iv) Executable mode

• 4)

Which mode can also be used as a simple calculator in Python?

• 5)

Which of the following indicates in Python that interpreter is ready to accept instructions?

#### 12th Standard Computer Science English Medium Algorithmic Strategies Reduced Syllabus Important Questions 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?

• 2)

From the following sorting algorithms which algorithm needs the minimum number of swaps?

• 3)

Time complexity of bubble sort in best case is

• 4)

The Θ notation in asymptotic evaluation represents

• 5)

If a problem can be broken into subproblems which are reused several times, the problem possesses which property?

#### 12th Standard Computer Science English Medium Algorithmic Strategies Reduced Syllabus Important Questions With Answer Key 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?

• 2)

If a problem can be broken into subproblems which are reused several times, the problem possesses which property?

• 3)

In dynamic programming, the technique of storing the previously calculated values is called ?

• 4)

Which of the following is not a characteristic of an algorithm?

• 5)

Which of the following is not an example of data structures?

#### 12th Standard Computer Science English Medium Scoping Reduced Syllabus Important Questions With Answer Key 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

Which of the following security technique that regulates who canuse resources in a computing environment?

• 2)

Which of the following members of a class can be handled only from within the class?

• 3)

Which members are accessible from outside the class?

• 4)

The members that are accessible from within the class and are also available to its sub classes is called

• 5)

How many variables can be mapped to the same instance?

#### 12th Standard Computer Science English Medium Scoping Reduced Syllabus Important Questions 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

Which of the following refers to the visibility of variablesin one part of a program to another part of the same program.

• 2)

The process of binding a variable name with an object is called

• 3)

Which of the following security technique that regulates who canuse resources in a computing environment?

• 4)

Which of the following members of a class can be handled only from within the class?

• 5)

Which of the following refers to the addresses to an object in memory?

#### 12th Standard Computer Science English Medium Data Abstraction Reduced Syllabus Important Questions With Answer Key 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

The data type whose representation is known are called

• 2)

The data type whose representation is unknown are called

• 3)

Which of the following is constructed by placing expressions within square brackets?

• 4)

• 5)

Which of the following is a type for objects whose behavior is defined by a set of value and a set of operations?

#### 12th Standard Computer Science English Medium Data Abstraction Reduced Syllabus Important Questions 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

Which of the following functions that build the abstract data type ?

• 2)

The data type whose representation is unknown are called

• 3)

Which of the following is a compound structure?

• 4)

Which of the following is a powerful concept that allows programmers to treat codes as objects?

• 5)

Which of the following provides modularity?

#### 12th Standard Computer Science English Medium Function Reduced Syllabus Important Questions With Answer Key 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

The small sections of code that are used to perform a particular task is called

• 2)

Which of the following is a unit of code that is often defined within a greater code structure?

• 3)

Which of the following defines what an object can do?

• 4)

Which of the following carries out the instructions defined in the interface?

• 5)

The functions which cause side effects to the arguments passed are called

#### 12th Standard Computer Science English Medium Function Reduced Syllabus Important Questions 2021 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

The small sections of code that are used to perform a particular task is called

• 2)

Which of the following is a unit of code that is often defined within a greater code structure?

• 3)

Which of the following is a distinct syntactic block?

• 4)

The values which are passed to a function definition are called

• 5)

Which of the following are mandatory to write the type annotations in the function definition?

#### 12th Standard Computer Science English Medium Reduced Syllabus Model Question paper With Answer Key- 2021 Part -2 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

Which of the following provides modularity?

• 2)

Which of the following are functions that build the abstract datatypet?

• 3)

________are the representation for Abstract Data types.

• 4)

• 5)

How many components required to find the space required by an algorithm?

#### 12th Standard Computer Science English Medium Reduced Syllabus Model Question paper With Answer Key- 2021 Part - 1 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

Which of the following defines what an object can do?

• 2)

A sequence of immutable objects is called

• 3)

Which of the following is not a type of llteral?

• 4)

What plays a vital role in Python programming?

• 5)

How many important control structures in python?

#### 12th Standard Computer Science English Medium Reduced Syllabus Model Question paper - 2021 Part - 2 - by Shalini - Madurai - Feb 03, 2021 - View & Read

• 1)

Which of the following is a unit of code that is often defined within a greater code structure?

• 2)

The functions which will give exact result when same arguments are passed are called

• 3)

Which of the following functions that retrieve information from the data type?

• 4)

A________ is not just data, it has functions defined within it.

• 5)

Which of the following rule is used to decide the order in which the scopes are to be searched for scope resolution?

#### 12th Standard Computer Science English Medium Reduced Syllabus Model Question paper - 2021 Part - 2 - by Shalini - Madurai - Feb 02, 2021 - View & Read

• 1)

Which of the following carries out the instructions defined in the interface?

• 2)

The functions which cause side effects to the arguments passed are called

• 3)

The data type whose representation is known are called

• 4)

Which of the following is constructed by placing expressions within square brackets?

• 5)

How many access control keywords are there?

#### 12th Standard Computer Science English Medium Reduced Syllabus Important Questions with Answer key - 2021 Part - 2 - by Shalini - Madurai - Feb 02, 2021 - View & Read

• 1)

The small sections of code that are used to perform a particular task is called

• 2)

The data structure which is a mutable ordered sequence of elements is called

• 3)

The members that are accessible from within the class and are also available to its sub classes is called

• 4)

Which of the following is not a stable sorting algorithm?

• 5)

Time complexity of bubble sort in best case is

#### 12th Standard Computer Science English Medium Reduced Syllabus Important Questions with Answer key - 2021 Part - 1 - by Shalini - Madurai - Feb 02, 2021 - View & Read

• 1)

The functions which cause side effects to the arguments passed are called

• 2)

A sequence of immutable objects is called

• 3)

Which of the following allow to name the various parts of a multi-item object?

• 4)

Which of the following is constructed by placing expressions within square brackets?

• 5)

Which of the following provides modularity?

#### 12th Standard Computer Science English Medium Reduced Syllabus Important Questions - 2021 Part - 2 - by Shalini - Madurai - Feb 02, 2021 - View & Read

• 1)

Which of the following carries out the instructions defined in the interface?

• 2)

The functions which will give exact result when same arguments are passed are called

• 3)

The data type whose representation is known are called

• 4)

The data type whose representation is unknown are called

• 5)

If a problem can be broken into subproblems which are reused several times, the problem possesses which property?

#### 12th Standard Computer Science English Medium Reduced Syllabus Important Questions - 2021 Part - 1 - by Shalini - Madurai - Feb 02, 2021 - View & Read

• 1)

Which of the following is a unit of code that is often defined within a greater code structure?

• 2)

Which of the following are expressed using statements of a programming language?

• 3)

Which of the following functions that retrieve information from the data type?

• 4)

In which data representation, a definition for each function is known

• 5)

The____________ can be implemented using singly linked list or doubly linked list

#### 12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following are mandatory to write the type annotations in the function definition?

• 2)

Which of the following carries out the instructions defined in the interface?

• 3)

Which of the following contains a set a code that works an many kinds of input and produces a concrete output?

• 4)

A sequence of immutable objects is called

• 5)

The process of providing only the essentials and hiding the details is known as

#### 12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following is a unit of code that is often defined within a greater code structure?

• 2)

What must the used wheo a bulk of statements to be repeated for many number of times?

• 3)

Which of the following functions that retrieve information from the data type?

• 4)

Which of the following provides modularity?

• 5)

The process of binding a variable name with an object is called

#### 12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Two - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following is a distinct syntactic block?

• 2)

Which of the following contains a set a code that works an many kinds of input and produces a concrete output?

• 3)

The data structure which is a mutable ordered sequence of elements is called

• 4)

Which of the following is used in programming languages to map the variable and object?

• 5)

Two main measures for the efficiency of an algorithm are

#### 12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Three - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following defines what an object can do?

• 2)

The data type whose representation is unknown are called

• 3)

Efficiency of an algorithm is measured by_______factors.

• 4)

Which of the following is not a token ?

• 5)

Which amongst this is not a jump statement ?

#### 12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Two - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

The values which are passed to a function definition are called

• 2)

Which of the following are the values which are passed to a function definition?

• 3)

A sequence of immutable objects is called

• 4)

Which of the following is a type for objects whose behavior is defined by a set of value and a set of operations?

• 5)

Containers for mapping names of variables to objects is called

#### 12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Three - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following defines what an object can do?

• 2)

Stolen is an example________function.

• 3)

The data type whose representation is known are called

• 4)

To facilitate data abstraction, How many types of functions are created?

• 5)

A________ data representation is defined 'as an independent part of the program.

#### 12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Four - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following carries out the instructions defined in the interface?

• 2)

A_________ combines the external interface with an implementation of the interface

• 3)

Which of the following is a compound structure?

• 4)

How many ways to implement an ADT?

• 5)

How many ways are there to represent pair datatypet?

#### 12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Four - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following carries out the instructions defined in the interface?

• 2)

Bundling two values together into one can be considered as

• 3)

The example of modules are

• 4)

The way of defining an algorithm is called

• 5)

In which programming the solutions of overlapped sub-problems are combined in order to get the better solution?

#### 12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Five - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following carries out the instructions defined in the interface?

• 2)

The recursive function is defined using the keyword

• 3)

• 4)

______are functions that retrieve information from the data type

• 5)

Choose the type of scope for a variable '9! defined in the following program.
Disp ( ):
a:=7
Print a
Disp 0

#### 12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Six - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following are the values which are passed to a function definition?

• 2)

A sequence of immutable objects is called

• 3)

The process of providing only the essentials and hiding the details is known as

• 4)

Which of the following defines a data abstraction by grouping related data items?

• 5)

The order in which variables have to be mapped to the object in order to obtain the value is called

#### 12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Five - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following defines what an object can do?

• 2)

In object oriented programs, how the object is processed and executed is__________

• 3)

Which of the following is a compound structure?

• 4)

Which of the following security technique that regulates who canuse resources in a computing environment?

• 5)

Time complexity of bubble sort in best case is

#### 12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Six - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following are mandatory to write the type annotations in the function definition?

• 2)

The data type whose representation is unknown are called

• 3)

The process of subdividing a computer program into separate sub-programs is called

• 4)

Which of the following is not a stable sorting algorithm?

• 5)

Whkh of the following method checks the search element with each element in sequence?

#### 12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Seven - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following is a description of all functions in object oriented programming language?

• 2)

Which of the following allow to name the various parts of a multi-item object?

• 3)

How many ways to implement an ADT?

• 4)

Which of the following does not allow us to name the various parts of a multi-item object?

• 5)

A________ is not just data, it has functions defined within it.

#### 12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Seven - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following defines what an object can do?

• 2)

Which of the following is a description of all functions in object oriented programming language?

• 3)

The data type whose representation is unknown are called

• 4)

The process of providing only the essentials and hiding the details is known as

• 5)

Which of the following are functions that build the abstract datatypet?

#### 12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Eight - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following carries out the instructions defined in the interface?

• 2)

Explicitly_________the types can help with debugging.

• 3)

The data type whose representation is unknown are called

• 4)

Which of the following replicate how we think about the world?

• 5)

The process of subdividing a computer program into separate sub-programs is called

#### 12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Nine - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following defines what an object can do?

• 2)

Which of the following is a compound structure?

• 3)

Which of the following members of a class can be handled only from within the class?

• 4)

Time complexity of bubble sort in best case is

• 5)

Which operator is also called as Comparative operator?

#### 12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Eight - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following defines what an object can do?

• 2)

The data type whose representation is known are called

• 3)

Time complexity of bubble sort in best case is

• 4)

Which of the following is not an example of data structures?

• 5)

How many components required to find the space required by an algorithm?

#### 12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Nine - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

A_________ combines the external interface with an implementation of the interface

• 2)

______is made up of list or Tuples

• 3)

The process of subdividing a computer program into separate sub-programs is called

• 4)

Choose the type of scope for a variable '9! defined in the following program.
Disp ( ):
a:=7
Print a
Disp 0

• 5)

______can be separately compiled and stored in a library

#### 12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - Part Ten - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following carries out the instructions defined in the interface?

• 2)

Bundling two values together into one can be considered as

• 3)

Which of the following members of a class can be handled only from within the class?

• 4)

The Θ notation in asymptotic evaluation represents

• 5)

Whkh of the following method checks the search element with each element in sequence?

#### 12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Ten - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

How the names are mapped with objects in programming language?

• 2)

Which of the following programming enables programmers to divide up the work and retry pieces of the program independently?

• 3)

The duration for which a variable is alive is called its_______

• 4)

Which of the following is not a sorting technique?

• 5)

Which sorting techniques working by taking elements from the list one by one and inserting. them in their correct position into a new sorted list?

#### 12th Standard Computer Science English Medium Free Online Test Book Back One Mark Questions - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

The small sections of code that are used to perform a particular task is called

• 2)

Which of the following functions that build the abstract data type ?

• 3)

Which of the following refers to the visibility of variablesin one part of a program to another part of the same program.

• 4)

The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?

• 5)

Who developed Python ?

#### 12th Standard Computer Science English Medium Free Online Test Book Back 1 Mark Questions with Answer Key - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following is a unit of code that is often defined within a greater code structure?

• 2)

Which of the following functions that retrieve information from the data type?

• 3)

Let list1=[2,4,6,8,10], then print(List1[-2]) will result in

• 4)

Functions defined inside a class:

• 5)

A table is known as

#### 12th Standard Computer Science English Medium Free Online Test Book Back One Mark Questions - Part Two - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

The functions which cause side effects to the arguments passed are called

• 2)

Which of the following is constructed by placing expressions within square brackets?

• 3)

The subscript of a string may be:

• 4)

The keys in Python, dictionary is specified by

• 5)

The process of creating an object is called as:

#### 12th Standard Computer Science English Medium Free Online Test Book Back 1 Mark Questions with Answer Key - Part Two - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

In which arguments the correct positional order is passed to a function?

• 2)

What is stride?

• 3)

Let setA={3,6,9}, setB={1,3,9}. What will be the result of the following snippet?
print(setA|setB)

• 4)

Which of the following class declaration is correct?

• 5)

What symbol is used for SELECT statement?

#### 12th Standard Computer Science English Medium Free Online Test Book Back One Mark Questions - Part Three - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following carries out the instructions defined in the interface?

• 2)

Bundling two values together into one can be considered as

• 3)

Which of the following members of a class can be handled only from within the class?

• 4)

The Θ notation in asymptotic evaluation represents

• 5)

Which operator is also called as Comparative operator?

#### 12th Standard Computer Science English Medium Free Online Test Book Back 1 Mark Questions with Answer Key - Part Three - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following are mandatory to write the type annotations in the function definition?

• 2)

The data type whose representation is unknown are called

• 3)

Which of the following security technique that regulates who canuse resources in a computing environment?

• 4)

Time complexity of bubble sort in best case is

• 5)

Which of the following is not a Keyword in Python ?

#### 12th Standard Computer Science English Medium Free Online Test Creative 1 Mark Questions - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following are expressed using statements of a programming language?

• 2)

Which of the following is a powerful concept that allows programmers to treat codes as objects?

• 3)

The part of a program that can see or use the variables are called

• 4)

Which of the following is a finite set of instructions to accomplish a particular task?

• 5)

Python language was released in

#### 12th Standard Computer Science English Medium Free Online Test Creative One Mark Questions with Answer Key - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

The recursive function is defined using the keyword

• 2)

The process of providing only the essentials and hiding the details is known as

• 3)

Tuple is constructed by using ______ and________

• 4)

A variable which is declared outside all the functions in a program is known as

• 5)

Which of the following members of a class are accessible from within the class and available to its subclass?

#### 12th Standard Computer Science English Medium Free Online Test Creative 1 Mark Questions - Part Two - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

_______are the variables in a function definition.

• 2)

The process of providing only the essentials and hiding the details is known as

• 3)

Data Abstraction allows programmers to treat code as_______

• 4)

A variable which is declared outside all the functions in a program is known as

• 5)

In Object Oriented Programming Language security is implanted through_______

#### 12th Standard Computer Science English Medium Free Online Test Creative One Mark Questions with Answer Key - Part Two - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following is an instance created from the class?

• 2)

Which of the following are implemented using & lists?

• 3)

A________ data representation is defined 'as an independent part of the program.

• 4)

Which of the following is not a classical object oriented language

• 5)

An algorithm that yields expected output for a valid input is called an

#### 12th Standard Computer Science English Medium Free Online Test Creative 1 Mark Questions - Part Three - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

A function definition which call itself is called

• 2)

• 3)

A ________ is a comma separated values surround with parentheses.

• 4)

Which of the following can ease the job of programming and debugging the program?

• 5)

Which characteristics of algorithm defined the operation involving division by zero?

#### 12th Standard Computer Science English Medium Free Online Test Creative One Mark Questions with Answer Key - Part Three - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

In which type of function the return type does not solely depends on its argument passed?

• 2)

To facilitate data abstraction, How many types of functions are created?

• 3)

______are functions that retrieve information from the data type

• 4)

How many types of variable scope are there?

• 5)

Which of the following members of a class are denied access from outside the class?

#### 12th Standard Computer Science English Medium Free Online Test Creative 1 Mark Questions - Part Four - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following carries out the instructions defined in the interface?

• 2)

Bundling two values together into one can be considered as

• 3)

Which of the following members of a class can be handled only from within the class?

• 4)

The Θ notation in asymptotic evaluation represents

• 5)

Which operator is also called as Comparative operator?

#### 12th Standard Computer Science English Medium Free Online Test Creative One Mark Questions with Answer Key - Part Four - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

A theoretical performance analysis of an algorithm is called_________

• 2)

Which of the following defines the Pythons interactive mode of programming?

• 3)

If a = 100, then the expression a**2 output is

• 4)

In Python Script Editor the errors will be shown in _____ color in the IDLE window.

• 5)

______ data can be decimal, octal or hexadecimal.

#### 12th Standard Computer Science English Medium Free Online Test Creative 1 Mark Questions - Part Five - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

A function definition which call itself is called

• 2)

How many ways to implement an ADT?

• 3)

How the names are mapped with objects in programming language?

• 4)

The amount of memory required to run an algorithm completion is known by

• 5)

Which mode can also be used as a simple calculator?

#### 12th Standard Computer Science English Medium Free Online Test Creative One Mark Questions with Answer Key - Part Five - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following can ease the job of programming and debugging the program?

• 2)

Fill up the blank in assign a variable with________to an object.

• 3)

Which of the following is not a sorting technique?

• 4)

Binary search also called

• 5)

IDLE expansion is

#### 12th Standard Computer Science Function English Medium Free Online Test One Mark Questions 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

The small sections of code that are used to perform a particular task is called

• 2)

Which of the following is a distinct syntactic block?

• 3)

Which of the following defines what an object can do?

• 4)

The functions which will give exact result when same arguments are passed are called

• 5)

Which of the following are expressed using statements of a programming language?

#### 12th Standard Computer Science Function English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following is a unit of code that is often defined within a greater code structure?

• 2)

The variables in a function definition are called as

• 3)

Which of the following are mandatory to write the type annotations in the function definition?

• 4)

Which of the following carries out the instructions defined in the interface?

• 5)

The functions which cause side effects to the arguments passed are called

#### 12th Standard Computer Science Scoping English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

The process of binding a variable name with an object is called

• 2)

Containers for mapping names of variables to objects is called

• 3)

The process of subdividing a computer program into separate sub-programs is called

• 4)

Which of the following members of a class can be handled only from within the class?

• 5)

The members that are accessible from within the class and are also available to its sub classes is called

#### 12th Standard Computer Science Python - Variables and Operators English Medium Free Online Test One Mark Questions 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Who developed Python ?

• 2)

Which of the following shortcut is used to create new Python Program ?

• 3)

This symbol is used to print more than one item on a single line.

• 4)

Which of the following is not a Keyword in Python ?

• 5)

Which of the following is not Logical operator?

#### 12th Standard Computer Science Algorithmic Strategies English Medium Free Online Test One Mark Questions 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?

• 2)

Two main measures for the efficiency of an algorithm are

• 3)

From the following sorting algorithms which has the lowest worst case complexity?

• 4)

Time complexity of bubble sort in best case is

• 5)

If a problem can be broken into subproblems which are reused several times, the problem possesses which property?

#### 12th Standard Computer Science Scoping English Medium Free Online Test One Mark Questions 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following refers to the visibility of variablesin one part of a program to another part of the same program.

• 2)

Which of the following is used in programming languages to map the variable and object?

• 3)

Which scope refers to variables defined in current function?

• 4)

Which of the following security technique that regulates who canuse resources in a computing environment?

• 5)

Which members are accessible from outside the class?

#### 12th Standard Computer Science Data Abstraction English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following functions that retrieve information from the data type?

• 2)

A sequence of immutable objects is called

• 3)

The data type whose representation is unknown are called

• 4)

Bundling two values together into one can be considered as

• 5)

Which of the following is constructed by placing expressions within square brackets?

#### 12th Standard Computer Science Data Abstraction English Medium Free Online Test One Mark Questions 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following functions that build the abstract data type ?

• 2)

The data structure which is a mutable ordered sequence of elements is called

• 3)

The data type whose representation is known are called

• 4)

Which of the following is a compound structure?

• 5)

Which of the following allow to name the various parts of a multi-item object?

#### 12th Standard Computer Science Algorithmic Strategies English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

From the following sorting algorithms which algorithm needs the minimum number of swaps?

• 2)

The complexity of linear search algorithm is

• 3)

Which of the following is not a stable sorting algorithm?

• 4)

The way of defining an algorithm is called

• 5)

Which characteristics of an algorithm should be generic, independent of any programming language?

#### 12th Standard Computer Science Python - Variables and Operators English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

The Python prompt indicates that Interpreter is ready to accept instruction.

• 2)

Which of the following is not a token ?

• 3)

Which operator is also called as Comparative operator?

• 4)

Which operator is also called as Conditional operator?

• 5)

In Python Script Editor the errors will be shown in _____ color in the IDLE window.

#### 12th Standard Computer Science Control Structures English Medium Free Online Test One Mark Questions 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

How many important control structures are there in Python?

• 2)

What plays a vital role in Python programming?

• 3)

The condition in the if statement should be in the form of

• 4)

What is the output of the following snippet?
i=1
while True:
if i%3 ==0:
break
print(i,end='')
i +=1

• 5)

What is the output of the following snippet?
T=1
while T:
print(True)
break

#### 12th Standard Computer Science Control Structures English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

elif can be considered to be abbreviation of

• 2)

Which is the most comfortable loop?

• 3)

What is the output of the following snippet?
T=1
while T:
print(True)
break

• 4)

Which of the following is used to alter the control flow of the process depending on the state of the process?

• 5)

Which of the following is not control structures?

#### 12th Standard Computer Science Strings and String Manipulations English Medium Free Online Test One Mark Questions 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following is the output of the following python code?
print(str1[::-1])

• 2)

Which of the following operator is used for concatenation?

• 3)

Strings in python:

• 4)

What is stride?

• 5)

Which of the following is used as placeholders or replacement fields which get replaced along with format( ) function?

#### 12th Standard Computer Science Strings and String Manipulations English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

What will be the output of the following code?
str1 = "Chennai Schools"
str1[7] = "-"

• 2)

Defining strings within triple quotes allows creating:

• 3)

Which of the following is the slicing operator?

• 4)

Which of the following formatting character is used to print exponential notation in upper case?

• 5)

Which of the following is used to access and manipulate the strings

#### 12th Standard Computer Science Python Functions English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

A Function which calls itself is called as

• 2)

Which function is called anonymous un-named function

• 3)

Read the following statement and choose the correct statement(s).
(I) In Python, you don’t have to mention the specific data types while defining function.
(II) Python keywords can be used as function name.

• 4)

Which of the following is used, if you don't need to type all the python code for the same task again and again:

• 5)

Which of the following provides better modularity for your python application

#### 12th Standard Computer Science Python Functions English Medium Free Online Test One Mark Questions 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

A named blocks of code that are designed to do one specific job is called as

• 2)

Which of the following keyword is used to begin the function block?

• 3)

While defining a function which of the following symbol is used.

• 4)

Read the following statement and choose the correct statement(s).
(I) In Python, you don’t have to mention the specific data types while defining function.
(II) Python keywords can be used as function name.

• 5)

Which of the following keyword is used to define the function testpython(): ?

#### 12th Standard Computer Science Lists, Tuples, Sets and Dictionary English Medium Free Online Test One Mark Questions 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Pick odd one in connection with collection data type

• 2)

Which of the following function is used to count the number of elements in a list?

• 3)

What will be the result of the following Python code?
S=[x**2 for x in range(5)]
print(S)

• 4)

Which of the following statement is not correct?

• 5)

Which of the following set operation includes all the elements that are in two sets but not the one that are common to two sets?

#### 12th Standard Computer Science Lists, Tuples, Sets and Dictionary English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Let list1=[2,4,6,8,10], then print(List1[-2]) will result in

• 2)

Let setA={3,6,9}, setB={1,3,9}. What will be the result of the following snippet?
print(setA|setB)

• 3)

What is the output from the following?
li = ['T', 'E', 'C', 'M']
for i in li:
print (li [1])

• 4)

Which of the following function used to include an element in a list at a desired position?

• 5)

Which function is used to convert the result of range () function in to list?

#### 12th Standard Computer Science Python Classes and Objects English Medium Free Online Test One Mark Questions 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following are the key features of an Object Oriented Programming language?

• 2)

Class members are accessed through which operator?

• 3)

Which of the following is the private class variable?

• 4)

Which of the following is not an object oriented language?

• 5)

Which of the following argument values automatically by python?

#### 12th Standard Computer Science Python Classes and Objects English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Functions defined inside a class:

• 2)

Which of the following is the output of the following program?
class Student:
def __init__(self, name):
self.name=name
S=Student(“Tamil”)

• 3)

The process of creating an object is called as:

• 4)

Which of the following called as instances of a class or class variable?

• 5)

In Python, every class name followed by

#### 12th Standard Computer Science Database Concepts English Medium Free Online Test One Mark Questions 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

What is the acronym of DBMS?

• 2)

Which database model represents parent-child relationship?

• 3)

What type of relationship does hierarchical model represents?

• 4)

Which of the following is an organized collection of data?

• 5)

Which of the following a data contain?

#### 12th Standard Computer Science Database Concepts English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

A table is known as

• 2)

Who is called Father of Relational Database from the following?

• 3)

What symbol is used for SELECT statement?

• 4)

Which of the following is an organized collection of data, which can be stared and a cersed through computer system

• 5)

In which of the following data organized in a way that, it can be easily accessed, managed and updated?

#### 12th Standard Computer Science Structured Query Language ( SQL ) English Medium Free Online Test One Mark Questions 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which commands provide definitions for creating table structure, deleting relations, and modifying relation schemas.

• 2)

The command to delete a table is

• 3)

Latest SQL standard as of now is

• 4)

Which of the following is not a RDBMS package?

• 5)

Which of the following is a collection of data entries?

#### 12th Standard Computer Science Structured Query Language ( SQL ) English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which command lets to change the structure of the table?

• 2)

Queries can be generated using

• 3)

Which of the following language was designed for managing and accessing data in RDBMS?

• 4)

SQL originally called as

• 5)

Find out the odd man out:

#### 12th Standard Computer Science Python and CSV Files English Medium Free Online Test One Mark Questions 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

A CSV file is also known as a ….

• 2)

Which of the following module is provided by Python to do several operations on the CSV files?

• 3)

What is the output of the following program? import csv
next(d)
for row in d:
print(row)
if the file called “city.csv” contain the following details
chennai,mylapore
mumbai,andheri

• 4)

Making some changes in the data of the existing file or adding more data is called

• 5)

Which of the following gives the python programmer the ability to parse CSV files?

#### 12th Standard Computer Science Python and CSV Files English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

The expansion of CRLF is

• 2)

Which of the following mode is used when dealing with non-text files like image or exe files?

• 3)

Which of the following is a string used to terminate lines produced by writer()method of csv module?

• 4)

Which of the following creates an object which maps data to a dictionary?

• 5)

CSV means

#### 12th Standard Computer Science Importing C++ Programs in Python English Medium Free Online Test One Mark Questions 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following is not a scripting language?

• 2)

The expansion of API is

• 3)

getopt() will return an empty array if there is no error in splitting strings to

• 4)

Which of the following can be used for processing text, numbers, images, and scientific data?

• 5)

Which of the following are general purpose programming language?

#### 12th Standard Computer Science Importing C++ Programs in Python English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Importing C++ program in a Python program is called

• 2)

A framework for interfacing Python and C++ is

• 3)

Identify the function call statement in the following snippet.
if __name__ =='__main__':
main(sys.argv[1:])

• 4)

What does __name__ contains ?

• 5)

Which of the following is not general purpose language?

#### 12th Standard Computer Science Data Manipulation Through SQL English Medium Free Online Test One Mark Questions 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

SQLite falls under which database system?

• 2)

Which of the following is called the master table?

• 3)

Which of the following clause avoide the duplicate?

• 4)

The SQlite command opens the already created database is

• 5)

Which of the following is used define a SQL command in SQlite3?

#### 12th Standard Computer Science Data Visualization Using Pyplot English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Identify the package manager for Python packages, or modules.

• 2)

Observe the output figure. Identify the coding for obtaining this output.

• 3)

Which key is used to run the module?

• 4)

The numerical data is encoded using

• 5)

Which type of charts displays information as series of data points?

#### 12th Standard Computer Science Data Visualization Using Pyplot English Medium Free Online Test One Mark Questions 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which is a python package used for 2D graphics?

• 2)

Read the following code: Identify the purpose of this code and choose the right option from the following.
C:\Users\YourName\AppData\Local\Programs\Python\Python36-32\Scripts>pip –version

• 3)

a. import matplotlib.pyplot as plt
b. plt.plot(3,2)
c. plt.show()
Identify the output for the above coding

• 4)

Which kind of data encoded visually communicate a quantitative message

• 5)

Matplotlib allows you to create a

#### 12th Standard Computer Science Data Manipulation Through SQL English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021 - by Shalini - Madurai - Nov 05, 2020 - View & Read

• 1)

Which of the following is an organized collection of data?

• 2)

Which of the following is a control structure used to traverse and fetch the records of the database?

• 3)

Which of the following executes the SQL command to perform some action?

• 4)

The function that returns the largest value of the selected column is

• 5)

The most commonly used statement in SQL is

#### 12th Standard Computer Science English Medium Model 5 Mark Creative Questions (New Syllabus 2020) - by Shalini - Madurai - Sep 30, 2020 - View & Read

• 1)

Explain the representation of Abstract datatype using rational numbers.

• 2)

Explain the concept accesscontrol.

• 3)

Write a note on Efficiency of an algorithm

• 4)

Write a program in python to display he following output.
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5

• 5)

Write a python program to find Fibonacci series of n terms using recursion.

#### 12th Standard Computer Science English Medium Model 5 Mark Book Back Questions (New Syllabus 2020) - by Shalini - Madurai - Sep 30, 2020 - View & Read

• 1)

Identify in the following program
let rec gcd a b :=
if b <> 0 then gcd b (a mod b) else return a
i) Name of the function
ii) Identify the statement which tells it is a recursive function
iii) Name of the argument variable
iv) Statement which invoke the function recursively
v) Statement which terminates the recursion

• 2)

How will you facilitate data abstraction. Explain it with suitable example

• 3)

Write any Five Characteristics of Modules

• 4)

What is Binary search? Discuss with example

• 5)

Describe in detail the procedure Script mode programming

#### 12th Standard Computer Science English Medium Sample 5 Mark Creative Questions (New Syllabus 2020) - by Shalini - Madurai - Sep 30, 2020 - View & Read

• 1)

Explain the concept accesscontrol.

• 2)

Differentiate Algorithm and program

• 3)

Write a program in python to display the following output.
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5

• 4)

Write a program in python to display he following output.
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5

• 5)

Explain different types arguments used in python with an example.

#### 12th Standard Computer Science English Medium Sample 5 Mark Book Back Questions (New Syllabus 2020) - by Shalini - Madurai - Sep 30, 2020 - View & Read

• 1)

What are called Parameters and write a note on
(i) Parameter without Type
(ii) Parameter with Type

• 2)

What is a List? Why List can be called as Pairs. Explain with suitable example

• 3)

Explain the types of scopes for variable or LEGB rule with example.

• 4)

• 5)

Explain input() and print() functions with examples.

#### 12th Standard Computer Science English Medium Important 5 Mark Creative Questions (New Syllabus 2020) - by Shalini - Madurai - Sep 30, 2020 - View & Read

• 1)

Explain the concept accesscontrol.

• 2)

Differentiate Algorithm and program

• 3)

Write a program in python to display the following output.
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5

• 4)

Write a program in python to display the following output.
(i) 5 5 5 5 5
4 4 4 4
3 3 3
2 2
1
(ii) 1 2 3 4 5
1 2 3 4
1 2 3
1 2
1

• 5)

Write a python program to find HCF of two numbers using recursion.

#### 12th Standard Computer Science English Medium Important 5 Mark Book Back Questions (New Syllabus 2020) - by Shalini - Madurai - Sep 30, 2020 - View & Read

• 1)

Explain with example Pure and impure functions.

• 2)

What is a List? Why List can be called as Pairs. Explain with suitable example

• 3)

Write any five benefits in using modular programming.

• 4)

Explain the characteristics of an algorithm.

• 5)

Discuss in detail about Tokens in Python

#### 12th Standard Computer Science English Medium Model 3 Mark Creative Questions (New Syllabus) 2020 - by Shalini - Madurai - Sep 01, 2020 - View & Read

• 1)

Explain the syntax of function definitions

• 2)

Write a note on Data Abstraction

• 3)

Write a note on access modifiers of a class.

• 4)

Write a pseudo code for bubble sort

• 5)

Fill in the blanks.
>>> city = $\overset { (1) }{ \_ \_ \_ \_ \_ }$ (" Enter your City ")
Enter your city $\overset { (2) }{ \_ \_ \_ \_ \_ }$
>>> print ("I am from", $\overset { (3) }{ \_ \_ \_ \_ \_ }$)
I am from Chennai

#### 12th Standard Computer Science English Medium Model 3 Mark Book Back Questions (New Syllabus) 2020 - by Shalini - Madurai - Sep 01, 2020 - View & Read

• 1)

Mention the characteristics of Interface.

• 2)

Differentiate Concrete data type and abstract datatype

• 3)

Define Enclosed scope with an example

• 4)

What are the factors that influence time and space complexity

• 5)

Write short notes on Escape sequences with examples.

#### 12th Standard Computer Science English Medium Sample 3 Mark Creative Questions (New Syllabus) 2020 - by Shalini - Madurai - Sep 01, 2020 - View & Read

• 1)

Write an algorithm to check whether the entered number is even or odd.

• 2)

Write a note on Data Abstraction

• 3)

How will you ensure the principle of data encapsulation in object - oriented programming?

• 4)

Write a pseudo code for Binary'search

• 5)

Write a pseudo code for Insertion sort

#### 12th Standard Computer Science English Medium Sample 3 Mark Book Back Questions (New Syllabus) 2020 - by Shalini - Madurai - Sep 01, 2020 - View & Read

• 1)

What is the side effect of impure function. Give example.

• 2)

What are the different ways to access the elements of a list. Give example

• 3)

Define Enclosed scope with an example

• 4)

What are the factors that influence time and space complexity

• 5)

Write short notes on Escape sequences with examples.

#### 12th Standard Computer Science English Medium Important 3 Mark Creative Questions (New Syllabus) 2020 - by Shalini - Madurai - Sep 01, 2020 - View & Read

• 1)

Write an algorithm to check whether the entered number is even or odd.

• 2)

Write a note on Data Abstraction

• 3)

How will you ensure the principle of data encapsulation in object - oriented programming?

• 4)

Write the different factors in which the time efficiency of an algorithm its measured

• 5)

Write the steps to do dynamic programming.

#### 12th Standard Computer Science English Medium Important 3 Mark Book Back Questions (New Syllabus) 2020 - by Shalini - Madurai - Sep 01, 2020 - View & Read

• 1)

What is the side effect of impure function. Give example.

• 2)

What are the different ways to access the elements of a list. Give example

• 3)

Define Enclosed scope with an example

• 4)

Discuss about Algorithmic complexity and its types

• 5)

What are the assignment operators that can be used in Python?

#### 12th Standard Computer Science English Medium Model 2 Mark Creative Questions (New Syllabus) 2020 - by Shalini - Madurai - Aug 31, 2020 - View & Read

• 1)

Give an example of pure function

• 2)

From the statement PI : = Presont), What does PI and person referred.

• 3)

What is the use ofLEGB rule?

• 4)

What is algorithmic solution?

• 5)

Write a note on Big omega asymptotic notation

#### 12th Standard Computer Science English Medium Model 2 Mark Book Back Questions (New Syllabus) 2020 - by Shalini - Madurai - Aug 31, 2020 - View & Read

• 1)

Write the inference you get from X:=(78).

• 2)

Differentiate constructors and selectors.

• 3)

What do you mean by Namespaces?

• 4)

Who is an Algorist?

• 5)

What is a literal? Explain the types of literals ?

#### 12th Standard Computer Science English Medium Sample 2 Mark Creative Questions (New Syllabus) 2020 - by Shalini - Madurai - Aug 31, 2020 - View & Read

• 1)

Give an example of function definition parameter with type

• 2)

How the concrete level of data abstraction implemented?

• 3)

What is the use ofLEGB rule?

• 4)

What in algorithmic strategy? Give an example.

• 5)

What are asymptotic notations?

#### 12th Standard Computer Science English Medium Sample 2 Mark Book Back Questions (New Syllabus) 2020 - by Shalini - Madurai - Aug 31, 2020 - View & Read

• 1)

Write the inference you get from X:=(78).

• 2)

What is a Pair? Give an example.

• 3)

What is Mapping?

• 4)

What is Sorting?

• 5)

What is a literal? Explain the types of literals ?

#### 12th Standard Computer Science English Medium Important 2 Mark Creative Questions (New Syllabus) 2020 - by Shalini - Madurai - Aug 31, 2020 - View & Read

• 1)

Give an example of pure function

• 2)

Write a pseudocode to depressant rational numbers using list.

• 3)

What is the use ofLEGB rule?

• 4)

What in algorithmic strategy? Give an example.

• 5)

What are asymptotic notations?

#### 12th Standard Computer Science English Medium Important 2 Mark Book Back Questions (New Syllabus) 2020 - by Shalini - Madurai - Aug 31, 2020 - View & Read

• 1)

Write the inference you get from X:=(78).

• 2)

What is Mapping?

• 3)

What is Sorting?

• 4)

Write short notes on Exponent data?

• 5)

Write note on range () in loop

#### 12th Standard Computer Science English Medium Model 1 Mark Creative Questions (New Syllabus) 2020 - by Shalini - Madurai - Aug 26, 2020 - View & Read

• 1)

The function definition is introduced by the keyword

• 2)

Explicitly_________the types can help with debugging.

• 3)

Which of the following is a type for objects whose behavior is defined by a set of value and a set of operations?

• 4)

Which of the following extract the information of the object?

• 5)

Which of the following defines a data abstraction by grouping related data items?

#### 12th Standard Computer Science English Medium Model 1 Mark Book Back Questions (New Syllabus) 2020 - by Shalini - Madurai - Aug 26, 2020 - View & Read

• 1)

Which of the following defines what an object can do?

• 2)

Which of the following is a compound structure?

• 3)

Which of the following security technique that regulates who canuse resources in a computing environment?

• 4)

Two main measures for the efficiency of an algorithm are

• 5)

Which of the following is not a stable sorting algorithm?

#### 12th Standard Computer Science English Medium  Sample 1 Mark Creative Questions (New Syllabus) 2020 - by Shalini - Madurai - Aug 26, 2020 - View & Read

• 1)

Which of the following are the values which are passed to a function definition?

• 2)

Which of the following is an example of impure function?

• 3)

A_________ combines the external interface with an implementation of the interface

• 4)

How many ways to implement an ADT?

• 5)

List can also be called as

#### 12th Standard Computer Science English Medium Sample 1 Mark Book Back Questions (New Syllabus) 2020 - by Shalini - Madurai - Aug 26, 2020 - View & Read

• 1)

Which of the following is a unit of code that is often defined within a greater code structure?

• 2)

The data type whose representation is known are called

• 3)

Which of the following allow to name the various parts of a multi-item object?

• 4)

The process of subdividing a computer program into separate sub-programs is called

• 5)

Which of the following is not a stable sorting algorithm?

#### 12th Standard Computer Science English Medium Important 1 Mark Creative Questions (New Syllabus) 2020 - by Shalini - Madurai - Aug 26, 2020 - View & Read

• 1)

Which of the following are the values which are passed to a function definition?

• 2)

A_________ combines the external interface with an implementation of the interface

• 3)

Which of the following is a type for objects whose behavior is defined by a set of value and a set of operations?

• 4)

Which of the following replicate how we think about the world?

• 5)

Which of the following is contracted by placing expressions within square brackets separated by commas?

#### 12th Standard Computer Science English Medium Important 1 Mark Book Back Questions (New Syllabus) 2020 - by Shalini - Madurai - Aug 26, 2020 - View & Read

• 1)

Which of the following is a distinct syntactic block?

• 2)

Which of the following is a compound structure?

• 3)

Which of the following is used in programming languages to map the variable and object?

• 4)

Which of the following members of a class can be handled only from within the class?

• 5)

From the following sorting algorithms which has the lowest worst case complexity?

#### 12th Standard Computer Science English Medium All Chapter Book Back and Creative One Mark Question 2020 - by Shalini - Madurai - Mar 09, 2020 - View & Read

• 1)

Which of the following is a unit of code that is often defined within a greater code structure?

• 2)

Which of the following carries out the instructions defined in the interface?

• 3)

In which type of function the return type is solely depends on its argument passed?

• 4)

Explicitly_________the types can help with debugging.

• 5)

Which of the following functions that build the abstract data type ?

#### 12th Standard Computer Science English Medium All Chapter Book Back and Creative Two Mark Question 2020 - by Shalini - Madurai - Mar 09, 2020 - View & Read

• 1)

What is a subroutine?

• 2)

Define Function with respect to Programming language.

• 3)

What is recursive function?

• 4)

Give an example of impure function.

• 5)

Differentiate constructors and selectors.

#### 12th Standard Computer Science English Medium All Chapter Book Back and Creative Three Mark Question 2020 - by Shalini - Madurai - Mar 09, 2020 - View & Read

• 1)

What is the side effect of impure function. Give example.

• 2)

Differentiate pure and impure function.

• 3)

Explain the syntax of function definitions

• 4)

Write an algorithm to check whether the entered number is even or odd.

• 5)

Which strategy is used for program designing? Define that Strategy.

#### 12th Standard Computer Science English Medium All Chapter Book Back and Creative Five Mark Question 2020 - by Shalini - Madurai - Mar 09, 2020 - View & Read

• 1)

What are called Parameters and write a note on
(i) Parameter without Type
(ii) Parameter with Type

• 2)

Explain with an example interface and implementation.

• 3)

How will you facilitate data abstraction. Explain it with suitable example

• 4)

How will you access the multi-item. Explain with example.

• 5)

Explain the representation of Abstract datatype using rational numbers.

#### 12th Computer Science - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

• 1)

Define: Data Visualization.

• 2)

List the general types of data visualization.

• 3)

List the types of Visualizations in Matplotlib.

• 4)

How will you install Matplotlib?

• 5)

Write the difference between the following functions: plt.plot([1,2,3,4]), plt.plot([1,2,3,4], [1,4,9,16]).

#### 12th Computer Science - Data Manipulation Through SQL - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

• 1)

Mention the users who uses the Database.

• 2)

Which method is used to connect a database? Give an example.

• 3)

What is the advantage of declaring a column as “INTEGER PRIMARY KEY”

• 4)

Write the command to populate record in a table. Give an example.

• 5)

Which method is used to fetch all rows from the database table?

#### 12th Computer Science - Importing C++ Programs in Python - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

• 1)

What is the theoretical difference between Scripting language and other programming language?

• 2)

Differentiate compiler and interpreter

• 3)

Write the expansion of (i) SWIG (ii) MinGW

• 4)

What is the use of modules?

• 5)

What is the use of cd command. Give an example.

#### 12th Computer Science - Python and CSV Files - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

• 1)

What is CSV File?

• 2)

Mention the two ways to read a CSV file using Python.

• 3)

Mention the default modes of the File.

• 4)

What is use of next() function?

• 5)

How will you sort more than one column from a csv file?Give an example statement.

#### 12th Computer Science - Structured Query Language - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

• 1)

Write a query that selects all students whose age is less than 18 in order wise.

• 2)

Differentiate Unique and Primary Key constraint

• 3)

Write the difference between table constraint and column constraint?

• 4)

Which component of SQL lets insert values in tables and which lets to create a table?

• 5)

What is the difference between SQL and MySQL?

#### 12th Computer Science Database Concepts - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

• 1)

Mention few examples of a database.

• 2)

List some examples of RDBMS.

• 3)

What is data consistency?

• 4)

What is the difference between Hierarchical and Network data model?

• 5)

What is normalization?

#### 12th Computer Science - Python Classes and Objects - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

• 1)

What is class?

• 2)

What is instantiation?

• 3)

What is the output of the following program?
class Sample:
__num=10
def disp(self):
print(self.__num)
S=Sample()
S.disp()
print(S.__num)

• 4)

How will you create constructor in Python?

• 5)

What is the purpose of Destructor?

#### 12th Computer Science Lists, Tuples, Sets and Dictionary - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

• 1)

What is List in Python?

• 2)

How will you access the list elements in reverse order?

• 3)

What will be the value of x in following python code?
List1=[2,4,6[1,3,5]]
x=len(List1)

• 4)

Differentiate del with remove( ) function of List.

• 5)

Write the syntax of creating a Tuple with n number of elements.

#### 12th Computer Science Strings and String Manipulations - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

• 1)

What is String?

• 2)

Do you modify a string in Python?

• 3)

How will you delete a string in Python?

• 4)

What will be the output of the following python code?
str1 = “School”
print(str1*3)

• 5)

What is slicing?

#### 12th Computer Science Python Functions - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

• 1)

What is function?

• 2)

Write the different types of function.

• 3)

What are the main advantages of function?

• 4)

What is meant by scope of variable? Mention its types.

• 5)

Define global scope.

#### 12th Computer Science Function - Two Marks Study Materials - by 8682895000 - Jan 22, 2020 - View & Read

• 1)

What is a subroutine?

• 2)

Define Function with respect to Programming language.

• 3)

Write the inference you get from X:=(78).

• 4)

Differentiate interface and implementation

• 5)

Which of the following is a normal function definition and which is recursive function definition
i) let rec sum x y:
return x + y
ii) let disp :
print ‘welcome’
iii) let rec sum num:
if (num!=0) then return num + sum (num-1)
else
return num

#### 12th Computer Science - Full Portion Five Marks Questions - by 8682895000 - Jan 20, 2020 - View & Read

• 1)

Identify in the following program
let rec gcd a b :=
if b <> 0 then gcd b (a mod b) else return a
i) Name of the function
ii) Identify the statement which tells it is a recursive function
iii) Name of the argument variable
iv) Statement which invoke the function recursively
v) Statement which terminates the recursion

• 2)

Explain with example Pure and impure functions.

• 3)

What is a List? Why List can be called as Pairs. Explain with suitable example

• 4)

Explain the representation of Abstract datatype using rational numbers.

• 5)

Write any five benefits in using modular programming.

#### 12th Computer Science - Full Portion Three Marks Question Paper - by 8682895000 - Jan 20, 2020 - View & Read

• 1)

Why strlen is called pure function?

• 2)

Wha happens if you modify a variable outside the function? Give an example

• 3)

Explain the syntax of function definitions

• 4)

Which strategy is used for program designing? Define that Strategy.

• 5)

What are the different ways to access the elements of a list. Give example

#### 12th Computer Science - Full Portion Two Marks Question Paper - by 8682895000 - Jan 20, 2020 - View & Read

• 1)

Define Function with respect to Programming language.

• 2)

Differentiate interface and implementation

• 3)

Differentiate constructors and selectors.

• 4)

What is a List? Give an example.

• 5)

What is Mapping?

#### 12th Computer Science - Public Exam Model Question Paper 2019 - 2020 - by Shalini - Madurai - Jan 17, 2020 - View & Read

• 1)

In object oriented programs, how the object is processed and executed is__________

• 2)

Which of the following allow to name the various parts of a multi-item object?

• 3)

Fill up the blank in assign a variable with________to an object.

• 4)

Time complexity of bubble sort in best case is

• 5)

The program segment' executed based on the test of the condition are called _______

#### 12th Computer Science - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

• 1)

To install matplotlib, the following function will be typed in your command prompt. What does “-U”represents?
Python –m pip install –U pip

• 2)

a. import matplotlib.pyplot as plt
b. plt.plot(3,2)
c. plt.show()
Identify the output for the above coding

• 3)

Which kind of data encoded visually communicate a quantitative message

• 4)

The numerical data is encoded using

• 5)

Which of the following is a management software for installing python package?

#### 12th Computer Science - Data Manipulation Through SQL Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

• 1)

Which of the following executes the SQL command to perform some action?

• 2)

Which of the following function retrieves the average of a selected column of rows in a table?

• 3)

The most commonly used statement in SQL is

• 4)

Which method has a major role in working with python?

• 5)

Which of the following statement in SQL is used to retrieve or fetch data from a table in a database?

#### 12th Computer Science - Importing C++ Programs in Python Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

• 1)

Which of the following is a software design technique to split your code into separate parts?

• 2)

The module which allows you to interface with the Windows operating system is

• 3)

Which of the following is not a compiled statically typed language?

• 4)

Which of the following is a scripting language?

• 5)

Which of the following interface used for interfacing with C programs?

#### 12th Computer Science - Python and CSV Files Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

• 1)

The command used to skip a row in a CSV file is

• 2)

Which of the following is a string used to terminate lines produced by writer()method of csv module?

• 3)

Making some changes in the data of the existing file or adding more data is called

• 4)

Which of the following can protect if the data itself contains commas in CSV file?

• 5)

Fields containing line breaks denoted by

#### 12th Computer Science - Structured Query Language Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

• 1)

Which commands provide definitions for creating table structure, deleting relations, and modifying relation schemas.

• 2)

The clause used to sort data in a database

• 3)

Which of the following is a collection of data entries?

• 4)

Which component of SQL includes commands to insert) delete and modify tables in database?

• 5)

TCL stands for

#### 12th Computer Science - Database Concepts Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

• 1)

Which of the following is an RDBMS?

• 2)

What symbol is used for SELECT statement?

• 3)

Which of the following is an organized collection of data, which can be stared and a cersed through computer system

• 4)

Which of the following can be a software or hardware based, with one sole purpose of storiing data?

• 5)

Which of the following divides the data in such a way that repetition of data is minimum in the database?

#### 12th Computer Science - Python Classes and Objects Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

• 1)

Functions defined inside a class:

• 2)

Which of the following is the private class variable?

• 3)

Which of the following called as instances of a class or class variable?

• 4)

Which of the operator used to accessing members of the class?

• 5)

Which position of the argument named self in python class method?

#### 12th Computer Science - Lists, Tuples, Sets and Dictionary Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

• 1)

If List=[17,23,41,10] then List.append(32) will result

• 2)

Which of the following Python function can be used to add more than one element within an existing list?

• 3)

The keys in Python, dictionary is specified by

• 4)

In list, the negative index number begin with

• 5)

Which of the following operator can be used to alter the range of elements in the list?

#### 12th Computer Science - Strings and String Manipulations Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

• 1)

Defining strings within triple quotes allows creating:

• 2)

Strings in python:

• 3)

Which of the following formatting character is used to print exponential notation in upper case?

• 4)

String index values are also called as

• 5)

Which of the following is used to access and manipulate the strings

#### 12th Computer Science - Python Functions Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

• 1)

While defining a function which of the following symbol is used.

• 2)

In which arguments the correct positional order is passed to a function?

• 3)

Which of the following keyword is used to define the function testpython(): ?

• 4)

Which of the following provides better modularity for your python application

• 5)

Which of the following statement exits a function?

#### 12th Computer Science - Control Structures Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

• 1)

The condition in the if statement should be in the form of

• 2)

Which is the most comfortable loop?

• 3)

The following statements is an example of
Print ("ONE")
Print ("Four")

• 4)

What can be learned through alternative or branching statement?

• 5)

How many types of alternative or branching statements does python provides?

#### 12th Computer Science - Python - Variables and Operators Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

• 1)

Which of the following is not a token ?

• 2)

Which operator is also called as Comparative operator?

• 3)

Which of the following is not Logical operator?

• 4)

In Python, How many ways programs can be written?

• 5)

In Python, the script mode programs can be stored with the extension.

#### 12th Computer Science - Algorithmic Strategies Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

• 1)

From the following sorting algorithms which algorithm needs the minimum number of swaps?

• 2)

Which of the following is not a stable sorting algorithm?

• 3)

Time complexity of bubble sort in best case is

• 4)

Which of the following is not an example of data structures?

• 5)

Which of the following is an example of data structures?

#### 12th Computer Science - Scoping Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

• 1)

Which scope refers to variables defined in current function?

• 2)

The process of subdividing a computer program into separate sub-programs is called

• 3)

Which of the following members of a class can be handled only from within the class?

• 4)

Which of the following keeps track of all these mappings with namespaces?

• 5)

How the names are mapped with objects in programming language?

#### 12th Computer Science - Data Abstraction Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

• 1)

Which of the following functions that retrieve information from the data type?

• 2)

Which of the following allow to name the various parts of a multi-item object?

• 3)

Which of the following is constructed by placing expressions within square brackets?

• 4)

The process of providing only the essentials and hiding the details is known as

• 5)

To facilitate data abstraction, How many types of functions are created?

#### 12th Computer Science - Function Model Question Paper 1 - by 8682895000 - Jan 06, 2020 - View & Read

• 1)

Which of the following is a unit of code that is often defined within a greater code structure?

• 2)

Which of the following are mandatory to write the type annotations in the function definition?

• 3)

Which of the following carries out the instructions defined in the interface?

• 4)

The function definition is introduced by the keyword

• 5)

The recursive function is defined using the keyword

#### 12th Computer Science - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart Model Question Paper - by Shalini - Madurai - Dec 03, 2019 - View & Read

• 1)

Identify the package manager for Python packages, or modules.

• 2)

To install matplotlib, the following function will be typed in your command prompt. What does “-U”represents?
Python –m pip install –U pip

• 3)

a. import matplotlib.pyplot as plt
b. plt.plot(3,2)
c. plt.show()
Identify the output for the above coding

• 4)

Which of the following is the representation of information in a graphic format?

• 5)

Which of the following is a collection of resources assembled to create a single unified visual display?

#### 12th Computer Science - Data Manipulation Through SQL Model Question Paper - by Shalini - Madurai - Dec 03, 2019 - View & Read

• 1)

SQLite falls under which database system?

• 2)

Which of the following is a control structure used to traverse and fetch the records of the database?

• 3)

The SQlite command opens the already created database is

• 4)

Which sqlite method is used to fetch all rows from the database table?

• 5)

Which SQlite keyword is used to extract only those records that fulfill a specified condition?

#### 12th Computer Science - Importing C++ Programs in Python Model Question Paper - by Shalini - Madurai - Dec 03, 2019 - View & Read

• 1)

Which of the following is not a scripting language?

• 2)

The module which allows you to interface with the Windows operating system is

• 3)

getopt() will return an empty array if there is no error in splitting strings to

• 4)

Which of the following is not general purpose language?

• 5)

Which of the following is not a compiled statically typed language?

#### 12th Computer Science - Python and CSV Files Model Question Paper - by Shalini - Madurai - Dec 03, 2019 - View & Read

• 1)

A CSV file is also known as a ….

• 2)

Which of the following is a string used to terminate lines produced by writer()method of csv module?

• 3)

CSV means

• 4)

Which of the following built-in function Python has to open a file?

• 5)

While reading CSV file in text mode, the data would be in the format

#### 12th Computer Science - Structured Query Language Model Question Paper - by Shalini - Madurai - Dec 03, 2019 - View & Read

• 1)

Which command lets to change the structure of the table?

• 2)

The command to delete a table is

• 3)

Which of the following is a standard programming language to access and manipulate database?

• 4)

Which of the following is a collection of data entries?

• 5)

Which of the following processing skills of SQL provides commands for defining relation schemes?

#### 12th Computer Science - Database Concepts Model Question Paper - by Shalini - Madurai - Dec 03, 2019 - View & Read

• 1)

Who is called Father of Relational Database from the following?

• 2)

Which of the following is an RDBMS?

• 3)

Who developed ER model?

• 4)

Which of the following a data contain?

• 5)

In which of the following data organized in a way that, it can be easily accessed, managed and updated?

#### 12th Computer Science - Python Classes and Objects Model Question Paper - by Shalini - Madurai - Dec 03, 2019 - View & Read

• 1)

A private class variable is prefixed with

• 2)

Which of the following method is used as destructor?

• 3)

Which of the following is the private class variable?

• 4)

Functions of the class are called as

• 5)

Which of the following is valid syntax for crating objects?

#### 12th Computer Science - Lists, Tuples, Sets and Dictionary Model Question Paper - by Shalini - Madurai - Dec 03, 2019 - View & Read

• 1)

Which of the following function is used to count the number of elements in a list?

• 2)

What is the use of type() function in python?

• 3)

Which of the following set operation includes all the elements that are in two sets but not the one that are common to two sets?

• 4)

In list, the negative index number begin with

• 5)

a = ['A', 2, 3, [4,5,6]] is an example of

#### 12th Computer Science - Strings and String Manipulations Model Question Paper - by Shalini - Madurai - Dec 03, 2019 - View & Read

• 1)

Strings in python:

• 2)

Which of the following is the slicing operator?

• 3)

Which of the following is used as placeholders or replacement fields which get replaced along with format( ) function?

• 4)

String index values are also called as

• 5)

Which of the following is used to access and manipulate the strings

#### 12th Computer Science - Python Functions Model Question Paper - by Shalini - Madurai - Dec 03, 2019 - View & Read

• 1)

Which of the following keyword is used to define the function testpython(): ?

• 2)

What will be the output if the return has no argument?

• 3)

Non-keyword variable arguments are called

• 4)

Which of the following statement causes your function to exit?

• 5)

A _ with local scope can be accessed only within the block

#### 12th Computer Science - Control Structures Model Question Paper - by Shalini - Madurai - Dec 03, 2019 - View & Read

• 1)

The condition in the if statement should be in the form of

• 2)

Which is the most comfortable loop?

• 3)

Which amongst this is not a jump statement ?

• 4)

Which of the following is used to alter the control flow of the process depending on the state of the process?

• 5)

How many important control structures in python?

#### 12th Computer Science - Python - Variables and Operators Model Question Paper - by Shalini - Madurai - Nov 27, 2019 - View & Read

• 1)

The Python prompt indicates that Interpreter is ready to accept instruction.

• 2)

Which of the following is not a Keyword in Python ?

• 3)

Which of the following is not Logical operator?

• 4)

In Python, How many ways programs can be written?

• 5)

In Python, the script mode programs can be stored with the extension.

#### 12th Computer Science - Algorithmic Strategies Model Question Paper - by Shalini - Madurai - Nov 27, 2019 - View & Read

• 1)

The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?

• 2)

The Θ notation in asymptotic evaluation represents

• 3)

If a problem can be broken into subproblems which are reused several times, the problem possesses which property?

• 4)

Which of the following is not a characteristic of an algorithm?

• 5)

Which of the following is not an example of data structures?

#### 12th Computer Science - Scoping Model Question Paper - by Shalini - Madurai - Nov 27, 2019 - View & Read

• 1)

The process of binding a variable name with an object is called

• 2)

Which of the following security technique that regulates who canuse resources in a computing environment?

• 3)

Which members are accessible from outside the class?

• 4)

Which of the following keeps track of all these mappings with namespaces?

• 5)

Which of the following rule is used to decide the order in which the scopes are to be searched for scope resolution?

#### 12th Computer Science - Data Abstraction Important Questions - by Shalini - Madurai - Nov 21, 2019 - View & Read

• 1)

Which of the following functions that build the abstract data type ?

• 2)

Which of the following functions that retrieve information from the data type?

• 3)

Which of the following allow to name the various parts of a multi-item object?

• 4)

Which of the following is constructed by placing expressions within square brackets?

• 5)

#### 12th Computer Science - Function Important Questions - by Shalini - Madurai - Nov 21, 2019 - View & Read

• 1)

The small sections of code that are used to perform a particular task is called

• 2)

Which of the following are mandatory to write the type annotations in the function definition?

• 3)

Which of the following carries out the instructions defined in the interface?

• 4)

The functions which will give exact result when same arguments are passed are called

• 5)

The functions which cause side effects to the arguments passed are called

#### 12th Computer Science - Half Yearly Model Question Paper - 2019 - by Shalini - Madurai - Nov 12, 2019 - View & Read

• 1)

Which of the following is a unit of code that is often defined within a greater code structure?

• 2)

CDT expansion is

• 3)

Which of' the following variable can be accessed inside or outside of all the functions in a program?

• 4)

Time complexity of bubble sort in best case is

• 5)

Find the odd man out

#### 12th Standard Computer Science - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart Model Question Paper - by Beula - Ramanathapuram - Nov 01, 2019 - View & Read

• 1)

Which is a python package used for 2D graphics?

• 2)

Which key is used to run the module?

• 3)

Which kind of data encoded visually communicate a quantitative message

• 4)

Which of the following is not a type of Data Visualization?

• 5)

Which of the following is a collection of resources assembled to create a single unified visual display?

#### 12th Computer Science - Data Manipulation Through SQL Model Question Paper - by Beula - Ramanathapuram - Nov 01, 2019 - View & Read

• 1)

Which of the following is an organized collection of data?

• 2)

Which of the following executes the SQL command to perform some action?

• 3)

The function that returns the largest value of the selected column is

• 4)

Which of the following clause avoide the duplicate?

• 5)

Which method is SQlite is used create a connection with a database file created?

#### 12th Computer Science - Importing C++ Programs in Python Model Question Paper - by Beula - Ramanathapuram - Nov 01, 2019 - View & Read

• 1)

Which of the following is not a scripting language?

• 2)

The expansion of API is

• 3)

The module which allows you to interface with the Windows operating system is

• 4)

What does __name__ contains ?

• 5)

Which of the following is not a compiled statically typed language?

#### 12th Standard Computer Science - Python and CSV Files Model Question Paper - by Beula - Ramanathapuram - Oct 31, 2019 - View & Read

• 1)

A CSV file is also known as a ….

• 2)

Which of the following module is provided by Python to do several operations on the CSV files?

• 3)

Which of the following is a string used to terminate lines produced by writer()method of csv module?

• 4)

Which of the following creates an object which maps data to a dictionary?

• 5)

Making some changes in the data of the existing file or adding more data is called

#### 12th Standard Computer Science - Structured Query Language (SQL) Model Question Paper - by Beula - Ramanathapuram - Oct 31, 2019 - View & Read

• 1)

Which commands provide definitions for creating table structure, deleting relations, and modifying relation schemas.

• 2)

Which command lets to change the structure of the table?

• 3)

The clause used to sort data in a database

• 4)

Which of the following language was designed for managing and accessing data in RDBMS?

• 5)

The specific related information about every record in the table is maintained by

#### 12th Computer Science - Term II Model Question Paper - by Beula - Ramanathapuram - Oct 29, 2019 - View & Read

• 1)

The small sections of code that are used to perform a particular task is called

• 2)

A sequence of immutable objects is called

• 3)

Which of the following is used in programming languages to map the variable and object?

• 4)

The Θ notation in asymptotic evaluation represents

• 5)

Which of the following is not a Keyword in Python ?

#### 12th Standard Computer Science - Database Concepts Model Question Paper - by Beula - Ramanathapuram - Oct 19, 2019 - View & Read

• 1)

What is the acronym of DBMS?

• 2)

What type of relationship does hierarchical model represents?

• 3)

Which of the following is an RDBMS?

• 4)

A tuple is also known as

• 5)

Who developed ER model?

#### 12th Computer Science - Python Classes and Objects Model Question Paper - by Beula - Ramanathapuram - Oct 19, 2019 - View & Read

• 1)

Functions defined inside a class:

• 2)

Which of the following method is automatically executed when an object is created?

• 3)

Which of the following class declaration is correct?

• 4)

The process of creating an object is called as:

• 5)

Which of the following is not an object oriented language?

#### 12th Computer Science - Lists, Tuples, Sets and Dictionary Model Question Paper - by Beula - Ramanathapuram - Oct 16, 2019 - View & Read

• 1)

Pick odd one in connection with collection data type

• 2)

Let list1=[2,4,6,8,10], then print(List1[-2]) will result in

• 3)

If List=[17,23,41,10] then List.append(32) will result

• 4)

What will be the result of the following Python code?
S=[x**2 for x in range(5)]
print(S)

• 5)

Which of the following set operation includes all the elements that are in two sets but not the one that are common to two sets?

#### 12th Standard Computer Science - Strings and String Manipulations Model Question Paper - by Beula - Ramanathapuram - Oct 16, 2019 - View & Read

• 1)

What will be the output of the following code?
str1 = "Chennai Schools"
str1[7] = "-"

• 2)

Which of the following is the slicing operator?

• 3)

Which of the following formatting character is used to print exponential notation in upper case?

• 4)

Which of the following is used as placeholders or replacement fields which get replaced along with format( ) function?

• 5)

The subscript of a string may be:

#### 12th Standard Computer Science - Python Functions Three and Five Marks Questions - by Shalini - Madurai - Oct 14, 2019 - View & Read

• 1)

Write the rules of local variable.

• 2)

What happens when we modify global variable inside the function?

• 3)

Differentiate ceil() and floor() function?

• 4)

How recursive function works?

• 5)

What are the points to be noted while defining a function?

#### 12th Standard Computer Science - Strings and String Manipulations Three and Five Marks Questions - by Shalini - Madurai - Oct 14, 2019 - View & Read

• 1)

Write a Python program to display the given pattern
C O M P U T E R
C O M P U T E
C O M P U T
C O M P U
C O M P
C O M
C O
C

• 2)

Write a short about the followings with suitable example:
(a) capitalize( )
(b) swapcase( )

• 3)

What will be the output of the given python program?
str1 = "welcome"
str2 = "to school"
str3=str1[:2]+str2[len(str2)-2:]
print(str3)

• 4)

What is the use of format( )? Give an example.

• 5)

Write a note about count( ) function in python.

#### 12th Standard Computer Science - Lists, Tuples, Sets and Dictionary Three and Five Marks Questions - by Shalini - Madurai - Oct 14, 2019 - View & Read

• 1)

What are the advantages of Tuples over a list?

• 2)

What will be the output of the following code?
list = [2**x for x in range(5)]
print(list)

• 3)

Explain the difference between del and clear( ) in dictionary with an example.

• 4)

List out the set operations supported by python.

• 5)

What are the difference between List and Dictionary?

#### 12th Standard Computer Science - Python Classes and Objects Three and Five Marks Questions - by Shalini - Madurai - Oct 14, 2019 - View & Read

• 1)

What are class members? How do you define it?

• 2)

Write a class with two private class variables and print the sum using a method.

• 3)

Find the error in the following program to get the given output?
class Fruits:
def __init__(self, f1, f2):
self.f1=f1
self.f2=f2
def display(self):
print("Fruit 1 = %s, Fruit 2 = %s" %(self.f1, self.f2))
F = Fruits ('Apple', 'Mango')
del F.display
F.display()

• 4)

What is the output of the following program?
class Greeting:
def __ini
t__(self, name):
self.__name = name
def di
splay(self):
print("Good Morning ", self.__name)
obj.display()

• 5)

How to define constructor and destructor in Python?

#### 12th Standard Computer Science - Database Concepts Three and Five Marks Questions - by Shalini - Madurai - Oct 14, 2019 - View & Read

• 1)

What is the difference between Select and Project command?

• 2)

What is the role of DBA?

• 3)

Explain Cartesian Product with a suitable example.

• 4)

Explain Object Model with example.

• 5)

Write a note on different types of DBMS users.

#### 12th Computer Science - Structured Query Language Three and Five Marks Questions - by Shalini - Madurai - Oct 14, 2019 - View & Read

• 1)

What is a constraint? Write short note on Primary key constraint.

• 2)

Write a SQL statement to modify the student table structure by adding a new field.

• 3)

Write any three DDL commands.

• 4)

Write the use of Savepoint command with an example.

• 5)

Write a SQL statement using DISTINCT keyword.

#### 12th Computer Science - Python and CSV Files Three and Five Marks Questions - by Shalini - Madurai - Oct 14, 2019 - View & Read

• 1)

Write a note on open() function of python. What is the difference between the two methods?

• 2)

Write a Python program to modify an existing file.

• 3)

Write a Python program to read a CSV file with default delimiter comma (,).

• 4)

What is the difference between the write mode and append mode

• 5)

#### 12th Computer Science - Importing C++ Programs in Python Three and Five Marks Questions - by Shalini - Madurai - Oct 14, 2019 - View & Read

• 1)

Differentiate PYTHON and C++

• 2)

What are the applications of scripting language?

• 3)

What is MinGW? What is its use?

• 4)

Identify the module ,operator, definition name for the following
welcome.display()

• 5)

What is sys.argv? What does it contain?

#### 12th Computer Science - Data Manipulation Through SQL Three and Five Marks Questions - by Shalini - Madurai - Oct 14, 2019 - View & Read

• 1)

What is SQLite?What is it advantage?

• 2)

Mention the difference between fetchone() and fetchmany()

• 3)

What is the use of Where Clause.Give a python statement Using the where clause.

• 4)

Read the following details.Based on that write a python script to display department wise records
database name :- organization.db
Table name :- Employee
Columns in the table :- Eno, EmpName, Esal, Dept

• 5)

Read the following details.Based on that write a python script to display records in desending order of
Eno
database name :- organization.db
Table name :- Employee
Columns in the table :- Eno, EmpName, Esal, Dept

#### 12th Computer Science - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart Three and Five Marks Questions - by Shalini - Madurai - Oct 14, 2019 - View & Read

• 1)

Draw the output for the following data visualization plot.
import matplotlib.pyplot as plt
plt.bar([1,3,5,7,9],[5,2,7,8,2], label="Example one")
plt.bar([2,4,6,8,10],[8,6,2,5,6], label="Example two", color='g')
plt.legend()
plt.xlabel('bar number')
plt.ylabel('bar height')
plt.title('Epic Graph\nAnother Line! Whoa')
plt.show()

• 2)

Write any three uses of data visualization.

• 3)

Write the coding for the following:
a. To check if PIP is Installed in your PC.
b. To Check the version of PIP installed in your PC.
c. To list the packages in matplotlib.

• 4)

Write the plot for the following pie chart output.

• 5)

Write a python code to display the following plot.

#### 12th Computer Science - Control Structures 3 Marks and 5 Marks Questions - by Shalini - Madurai - Oct 10, 2019 - View & Read

• 1)

Write a program to display
A
A B
A B C
A B C D
A B C D E

• 2)

Write note on if..else structure.

• 3)

Using if..else..elif statement write a suitable program to display largest of 3 numbers.

• 4)

Write the syntax of while loop.

• 5)

List the differences between break and continue statements.

#### 12th Standard Computer Science - Control Structures Model Question Paper - by Beula - Ramanathapuram - Oct 09, 2019 - View & Read

• 1)

How many important control structures are there in Python?

• 2)

Which is the most comfortable loop?

• 3)

What is the output of the following snippet?
T=1
while T:
print(True)
break

• 4)

Which amongst this is not a jump statement ?

• 5)

Find the odd man out.

#### 12th Standard Computer Science - Python - Variables and Operators Model Question Paper - by Beula - Ramanathapuram - Oct 09, 2019 - View & Read

• 1)

Who developed Python ?

• 2)

Which of the following is not a token ?

• 3)

Which operator is also called as Comparative operator?

• 4)

Which of the following is not Logical operator?

• 5)

Which operator is also called as Conditional operator?

#### 12th Standard Computer Science - Algorithmic Strategies Model Question Paper - by Beula - Ramanathapuram - Oct 01, 2019 - View & Read

• 1)

The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?

• 2)

Two main measures for the efficiency of an algorithm are

• 3)

From the following sorting algorithms which has the lowest worst case complexity?

• 4)

Time complexity of bubble sort in best case is

• 5)

In dynamic programming, the technique of storing the previously calculated values is called ?

#### 12th Standard Computer Science - Scoping Model Question Paper - by Beula - Ramanathapuram - Oct 01, 2019 - View & Read

• 1)

Which of the following refers to the visibility of variablesin one part of a program to another part of the same program.

• 2)

Which of the following security technique that regulates who canuse resources in a computing environment?

• 3)

Which of the following members of a class can be handled only from within the class?

• 4)

The members that are accessible from within the class and are also available to its sub classes is called

• 5)

How many variables can be mapped to the same instance?

#### Class 12th Computer Science - Scoping 3 Marks and 5 Marks Questions - by Shalini - Madurai - Oct 01, 2019 - View & Read

• 1)

Define Local scope with an example.

• 2)

Define Global scope with an example

• 3)

Define Enclosed scope with an example

• 4)

Why access control is required?

• 5)

Identify the scope of the variables in the following pseudo code and write its
output
color:= Red
mycolor( ):
b:=Blue
lue
myfavcolor( ):
g:=Green
printcolor, b, g
myfavcolor( )
printcolor, b
mycolor( )
print color

#### 12th Computer Science - Algorithmic Strategies 3 Marks and 5 Marks Questions - by Shalini - Madurai - Oct 01, 2019 - View & Read

• 1)

List the characteristics of an algorithm

• 2)

Discuss about Algorithmic complexity and its types

• 3)

What are the factors that influence time and space complexity

• 4)

Write a note on Asymptotic notation

• 5)

What do you understand by Dynamic programming?

#### 12th Computer Science - Python - Variables and Operators 3 Marks and 5 Marks Questions - by Shalini - Madurai - Oct 01, 2019 - View & Read

• 1)

Write short notes on Arithmetic operator with examples.

• 2)

What are the assignment operators that can be used in Python?

• 3)

Explain Ternary operator with examples.

• 4)

Write short notes on Escape sequences with examples.

• 5)

What are string literals? Explain.

#### 12th Computer Science - Data Abstraction 3 Marks and 5 Marks Questions - by Shalini - Madurai - Oct 01, 2019 - View & Read

• 1)

Differentiate Concrete data type and abstract datatype

• 2)

Which strategy is used for program designing? Define that Strategy.

• 3)

Identify Which of the following are constructors and selectors?
(a) N1=number()
(b) accetnum(n1)
(c) displaynum(n1)
(d) eval(a/b)
(e) x,y= makeslope (m), makeslope(n)
(f) display()

• 4)

What are the different ways to access the elements of a list. Give example

• 5)

Identify Which of the following are List, Tuple and class ?
(a) arr [1, 2, 34]
(b) arr (1, 2, 34)
(c) student [rno, name, mark]
(d) day= (‘sun’, ‘mon’, ‘tue’, ‘wed’)
(e) x= [2, 5, 6.5, [5, 6], 8.2]
(f) employee [eno, ename, esal, eaddress]

#### 12th Computer Science - Function 3 Marks and 5 Marks Questions - by Shalini - Madurai - Oct 01, 2019 - View & Read

• 1)

Mention the characteristics of Interface.

• 2)

Why strlen is called pure function?

• 3)

What is the side effect of impure function. Give example.

• 4)

Differentiate pure and impure function.

• 5)

Wha happens if you modify a variable outside the function? Give an example

#### Class 12th Computer Science - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart Two Marks Questions - by Shalini - Madurai - Sep 27, 2019 - View & Read

• 1)

Define: Data Visualization.

• 2)

List the general types of data visualization.

• 3)

List the types of Visualizations in Matplotlib.

• 4)

How will you install Matplotlib?

• 5)

Write the difference between the following functions: plt.plot([1,2,3,4]), plt.plot([1,2,3,4], [1,4,9,16]).

#### Class 12th Computer Science - Data Manipulation Through SQL Two Marks Questions - by Shalini - Madurai - Sep 27, 2019 - View & Read

• 1)

Mention the users who uses the Database.

• 2)

Which method is used to connect a database? Give an example.

• 3)

What is the advantage of declaring a column as “INTEGER PRIMARY KEY”

• 4)

Write the command to populate record in a table. Give an example.

• 5)

Which method is used to fetch all rows from the database table?

#### Class 12th Computer Science - Importing C++ Programs in Python Two Marks Questions - by Shalini - Madurai - Sep 27, 2019 - View & Read

• 1)

What is the theoretical difference between Scripting language and other programming language?

• 2)

Differentiate compiler and interpreter

• 3)

Write the expansion of (i) SWIG (ii) MinGW

• 4)

What is the use of modules?

• 5)

What is the use of cd command. Give an example.

#### Class 12th Computer Science - Python and CSV Files Two Marks Questions - by Shalini - Madurai - Sep 27, 2019 - View & Read

• 1)

What is CSV File?

• 2)

Mention the two ways to read a CSV file using Python.

• 3)

Mention the default modes of the File.

• 4)

What is use of next() function?

• 5)

How will you sort more than one column from a csv file?Give an example statement.

#### Class 12th Computer Science - Structured Query Language Two Marks Questions - by Shalini - Madurai - Sep 27, 2019 - View & Read

• 1)

Write a query that selects all students whose age is less than 18 in order wise.

• 2)

Differentiate Unique and Primary Key constraint

• 3)

Write the difference between table constraint and column constraint?

• 4)

Which component of SQL lets insert values in tables and which lets to create a table?

• 5)

What is the difference between SQL and MySQL?

#### Class 12th Computer Science - Database Concepts Two Marks Questions - by Shalini - Madurai - Sep 27, 2019 - View & Read

• 1)

Mention few examples of a database.

• 2)

List some examples of RDBMS.

• 3)

What is data consistency?

• 4)

What is the difference between Hierarchical and Network data model?

• 5)

What is normalization?

#### 12th Computer Science - Python Classes and Objects Two Marks Questions - by Shalini - Madurai - Sep 27, 2019 - View & Read

• 1)

What is class?

• 2)

What is instantiation?

• 3)

What is the output of the following program?
class Sample:
__num=10
def disp(self):
print(self.__num)
S=Sample()
S.disp()
print(S.__num)

• 4)

How will you create constructor in Python?

• 5)

What is the purpose of Destructor?

#### 12th Computer Science - Lists, Tuples, Sets and Dictionary Two Marks Questions - by Shalini - Madurai - Sep 27, 2019 - View & Read

• 1)

What is List in Python?

• 2)

How will you access the list elements in reverse order?

• 3)

What will be the value of x in following python code?
List1=[2,4,6[1,3,5]]
x=len(List1)

• 4)

Differentiate del with remove( ) function of List.

• 5)

Write the syntax of creating a Tuple with n number of elements.

#### 12th Standard Computer Science - Data Abstraction Model Question Paper - by Beula - Ramanathapuram - Sep 27, 2019 - View & Read

• 1)

Which of the following functions that build the abstract data type ?

• 2)

A sequence of immutable objects is called

• 3)

Which of the following is a compound structure?

• 4)

Which of the following is constructed by placing expressions within square brackets?

• 5)

Which of the following provides modularity?

#### 12th Standard Computer Science - Function Model Question Paper - by Beula - Ramanathapuram - Sep 27, 2019 - View & Read

• 1)

The small sections of code that are used to perform a particular task is called

• 2)

Which of the following are mandatory to write the type annotations in the function definition?

• 3)

Which of the following carries out the instructions defined in the interface?

• 4)

The functions which cause side effects to the arguments passed are called

• 5)

Which of the following contains a set a code that works an many kinds of input and produces a concrete output?

#### 12th Computer Science - Term 1 Model Question Paper - by Beula - Ramanathapuram - Sep 21, 2019 - View & Read

• 1)

Which of the following is a distinct syntactic block?

• 2)

Which of the following functions that build the abstract data type ?

• 3)

Which scope refers to variables defined in current function?

• 4)

The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?

• 5)

This symbol is used to print more than one item on a single line.

#### 12th Computer Science - Strings and String Manipulations Two Marks Question - by Shalini - Madurai - Sep 19, 2019 - View & Read

• 1)

What is String?

• 2)

Do you modify a string in Python?

• 3)

How will you delete a string in Python?

• 4)

What will be the output of the following python code?
str1 = “School”
print(str1*3)

• 5)

What is slicing?

#### 12th Computer Science - Python Functions Two Marks Question - by Shalini - Madurai - Sep 19, 2019 - View & Read

• 1)

What is function?

• 2)

Write the different types of function.

• 3)

What are the main advantages of function?

• 4)

What is meant by scope of variable? Mention its types.

• 5)

Define global scope.

#### 12th Computer Science - Control Structures Two Marks Question - by Shalini - Madurai - Sep 19, 2019 - View & Read

• 1)

List the control structures in Python.

• 2)

Write note on break statement.

• 3)

Write is the syntax of if..else statement

• 4)

Define control structure.

• 5)

Write note on range () in loop

#### 12th Computer Science - Python -Variables and Operators Two Marks Question - by Shalini - Madurai - Sep 19, 2019 - View & Read

• 1)

What are the different modes that can be used to test Python Program ?

• 2)

Write short notes on Tokens.

• 3)

What are the different operators that can be used in Python ?

• 4)

What is a literal? Explain the types of literals ?

• 5)

Write short notes on Exponent data?

#### 12th Computer Science - Term 1 Five Mark Model Question Paper - by Shalini - Madurai - Sep 16, 2019 - View & Read

• 1)

Explain with example Pure and impure functions.

• 2)

What is a List? Why List can be called as Pairs. Explain with suitable example

• 3)

Write any Five Characteristics of Modules

• 4)

Explain the characteristics of an algorithm.

• 5)

Explain input() and print() functions with examples.

#### 12th Computer Science - Algorithmic Strategies Two Marks Questions - by Shalini - Madurai - Sep 16, 2019 - View & Read

• 1)

What is an Algorithm?

• 2)

Define Pseudo code

• 3)

Who is an Algorist?

• 4)

What is Sorting?

• 5)

What is searching? Write its types.

#### 12th Computer Science - Scoping Two Marks Questions - by Shalini - Madurai - Sep 16, 2019 - View & Read

• 1)

What is a scope?

• 2)

Why scope should be used for variable. State the reason

• 3)

What do you mean by Namespaces?

• 4)

How Python represents the private and protected Access specifiers?

• 5)

Define variable.

#### 12th Computer Science - Data Abstraction Two Marks Questions - by Shalini - Madurai - Sep 16, 2019 - View & Read

• 1)

What is abstract data type?

• 2)

Differentiate constructors and selectors.

• 3)

What is a Pair? Give an example.

• 4)

What is a List? Give an example.

• 5)

What is a Tuple? Give an example.

#### 12th Computer Science - Function Two Marks Questions - by Shalini - Madurai - Sep 16, 2019 - View & Read

• 1)

What is a subroutine?

• 2)

Define Function with respect to Programming language.

• 3)

Write the inference you get from X:=(78).

• 4)

Differentiate interface and implementation

• 5)

Which of the following is a normal function definition and which is recursive function definition
i) let rec sum x y:
return x + y
ii) let disp :
print ‘welcome’
iii) let rec sum num:
if (num!=0) then return num + sum (num-1)
else
return num

#### 12th Computer Science - Quarterly Model Question Paper - by Shalini - Madurai - Sep 13, 2019 - View & Read

• 1)

Which of the following is a unit of code that is often defined within a greater code structure?

• 2)

The function definition is introduced by the keyword

• 3)

The data type whose representation is known are called

• 4)

Which of the following are functions that build the abstract datatypet?

• 5)

Which of the following members of a class can be handled only from within the class?

#### 12th Computer Science Unit 16 Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart Book Back Questions - by Shalini - Madurai - Sep 07, 2019 - View & Read

• 1)

Which is a python package used for 2D graphics?

• 2)

Read the following code: Identify the purpose of this code and choose the right option from the following.
C:\Users\YourName\AppData\Local\Programs\Python\Python36-32\Scripts>pip –version

• 3)

Read the following code: Identify the purpose of this code and choose the right option from the following.

• 4)

a. import matplotlib.pyplot as plt
b. plt.plot(3,2)
c. plt.show()
Identify the output for the above coding

• 5)

Identify the right type of chart using the following hints.
Hint 1: This chart is often used to visualize a trend in data over intervals of time.
Hint 2: The line in this type of chart is often drawn chronologically.

#### 12th Computer Science Chapter 15 Data Manipulation Through SQL Book Back Questions - by Shalini - Madurai - Sep 07, 2019 - View & Read

• 1)

Which of the following function retrieves the average of a selected column of rows in a table?

• 2)

The function that returns the largest value of the selected column is

• 3)

Which of the following is called the master table?

• 4)

The most commonly used statement in SQL is

• 5)

Which of the following clause avoide the duplicate?

#### 12th Computer Science - Importing C++ Programs in Python Book Back Questions - by Shalini - Madurai - Sep 07, 2019 - View & Read

• 1)

Which of the following is not a scripting language?

• 2)

The module which allows you to interface with the Windows operating system is

• 3)

getopt() will return an empty array if there is no error in splitting strings to

• 4)

Which of the following can be used for processing text, numbers, images, and scientific data?

• 5)

What does __name__ contains ?

#### 12th Computer Science - Python and CSV Files Book Back Questions - by Shalini - Madurai - Sep 07, 2019 - View & Read

• 1)

A CSV file is also known as a ….

• 2)

Which of the following is a string used to terminate lines produced by writer()method of csv module?

• 3)

What is the output of the following program? import csv
next(d)
for row in d:
print(row)
if the file called “city.csv” contain the following details
chennai,mylapore
mumbai,andheri

• 4)

Which of the following creates an object which maps data to a dictionary?

• 5)

Making some changes in the data of the existing file or adding more data is called

#### 12th Computer Science - Structured Query Language Book Back Questions - by Shalini - Madurai - Sep 06, 2019 - View & Read

• 1)

Which commands provide definitions for creating table structure, deleting relations, and modifying relation schemas.

• 2)

Which command lets to change the structure of the table?

• 3)

The command to delete a table is

• 4)

Queries can be generated using

• 5)

The clause used to sort data in a database

#### 12th Computer Science - Database Concepts Book Back Questions - by Shalini - Madurai - Sep 06, 2019 - View & Read

• 1)

What is the acronym of DBMS?

• 2)

Who is called Father of Relational Database from the following?

• 3)

What symbol is used for SELECT statement?

• 4)

A tuple is also known as

• 5)

Who developed ER model?

#### 12th Computer Science - Python Classes and Objects Book Back Questions - by Shalini - Madurai - Sep 06, 2019 - View & Read

• 1)

Functions defined inside a class:

• 2)

Class members are accessed through which operator?

• 3)

Which of the following class declaration is correct?

• 4)

Which of the following is the private class variable?

• 5)

The process of creating an object is called as:

#### 12th Computer Science - Lists, Tuples, Sets and Dictionary Book Back Questions - by Shalini - Madurai - Sep 05, 2019 - View & Read

• 1)

Pick odd one in connection with collection data type

• 2)

Which of the following Python function can be used to add more than one element within an existing list?

• 3)

Which of the following statement is not correct?

• 4)

Which of the following set operation includes all the elements that are in two sets but not the one that are common to two sets?

• 5)

The keys in Python, dictionary is specified by

#### 12th Computer Science - Strings and String Manipulations Book Back Questions - by Shalini - Madurai - Sep 05, 2019 - View & Read

• 1)

Which of the following is the output of the following python code?
print(str1[::-1])

• 2)

What is stride?

• 3)

Which of the following formatting character is used to print exponential notation in upper case?

• 4)

Which of the following is used as placeholders or replacement fields which get replaced along with format( ) function?

• 5)

The subscript of a string may be:

#### 12th Standard Computer Science - Python Functions Book Back Questions - by Shalini - Madurai - Sep 04, 2019 - View & Read

• 1)

A named blocks of code that are designed to do one specific job is called as

• 2)

A Function which calls itself is called as

• 3)

In which arguments the correct positional order is passed to a function?

• 4)

Pick the correct one to execute the given statement successfully.
if ____ : print(x, " is a leap year")

• 5)

Which of the following keyword is used to define the function testpython(): ?

#### 12th Standard Computer Science - Control Structures Book Back Questions - by Shalini - Madurai - Sep 04, 2019 - View & Read

• 1)

How many important control structures are there in Python?

• 2)

elif can be considered to be abbreviation of

• 3)

What plays a vital role in Python programming?

• 4)

Which is the most comfortable loop?

• 5)

Which amongst this is not a jump statement ?

#### 12th Standard Computer Science Unit 5 Python -Variables and Operators Book Back Questions - by Shalini - Madurai - Sep 03, 2019 - View & Read

• 1)

Who developed Python ?

• 2)

Which of the following character is used to give comments in Python Program ?

• 3)

Which of the following is not a Keyword in Python ?

• 4)

Which of the following is not Logical operator?

• 5)

Which operator is also called as Conditional operator?

#### 12th Standard Computer Science - Scoping Book Back Questions - by Shalini - Madurai - Sep 02, 2019 - View & Read

• 1)

Which of the following refers to the visibility of variablesin one part of a program to another part of the same program.

• 2)

Which of the following is used in programming languages to map the variable and object?

• 3)

Which of the following security technique that regulates who canuse resources in a computing environment?

• 4)

Which of the following members of a class can be handled only from within the class?

• 5)

Which members are accessible from outside the class?

#### 12th Standard Computer Science - Algorithmic Strategies Book Back Questions - by Shalini - Madurai - Sep 02, 2019 - View & Read

• 1)

The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?

• 2)

Two main measures for the efficiency of an algorithm are

• 3)

The Θ notation in asymptotic evaluation represents

• 4)

If a problem can be broken into subproblems which are reused several times, the problem possesses which property?

• 5)

In dynamic programming, the technique of storing the previously calculated values is called ?

#### 12th Standard Computer Science - Data Abstraction Book Back Questions - by Shalini - Madurai - Aug 31, 2019 - View & Read

• 1)

Which of the following functions that build the abstract data type ?

• 2)

The data type whose representation is unknown are called

• 3)

Bundling two values together into one can be considered as

• 4)

Which of the following allow to name the various parts of a multi-item object?

• 5)

Which of the following is constructed by placing expressions within square brackets?

#### 12th Standard Computer Science Chapter 1 Function Book Back Questions - by Shalini - Madurai - Aug 30, 2019 - View & Read

• 1)

Which of the following are mandatory to write the type annotations in the function definition?

• 2)

Which of the following defines what an object can do?

• 3)

Which of the following carries out the instructions defined in the interface?

• 4)

The functions which will give exact result when same arguments are passed are called

• 5)

The functions which cause side effects to the arguments passed are called

#### 12th Standard Computer Science Unit 9 Lists, Tuples, Sets and Dictionary One Mark Question with Answer - by Shalini - Madurai - Aug 29, 2019 - View & Read

• 1)

Pick odd one in connection with collection data type

• 2)

Let list1=[2,4,6,8,10], then print(List1[-2]) will result in

• 3)

In list, the negative index number begin with

• 4)

a = ['A', 2, 3, [4,5,6]] is an example of

• 5)

Which of the following can be used to access an element in a list?

#### 12th Standard Computer Science Unit 8 Strings and String Manipulations One Mark Question and Answer - by Shalini - Madurai - Aug 29, 2019 - View & Read

• 1)

Which of the following is the output of the following python code?
print(str1[::-1])

• 2)

What will be the output of the following code?
str1 = "Chennai Schools"
str1[7] = "-"

• 3)

Which of the following is the slicing operator?

• 4)

Which of the following allows creation of multiline strings

• 5)

Find the output for the following print ('Greater Chennai cooperation's student')

#### 12th Standard Computer Science - Python Functions One Mark Question and Answer - by Shalini - Madurai - Aug 28, 2019 - View & Read

• 1)

A named blocks of code that are designed to do one specific job is called as

• 2)

A Function which calls itself is called as

• 3)

Which of the following keyword is used to begin the function block?

• 4)

Pick the correct one to execute the given statement successfully.
if ____ : print(x, " is a leap year")

• 5)

Which of the following keyword is used to define the function testpython(): ?

#### 12th Computer Science Chapter 6 Control Structures One Mark Question and Answer - by Shalini - Madurai - Aug 27, 2019 - View & Read

• 1)

How many important control structures are there in Python?

• 2)

elif can be considered to be abbreviation of

• 3)

What plays a vital role in Python programming?

• 4)

The condition in the if statement should be in the form of

• 5)

Which is the most comfortable loop?

#### 12th Standard Computer Science Chapter 5 Python - Variables and Operators One Mark Question and Answer - by Shalini - Madurai - Aug 27, 2019 - View & Read

• 1)

Who developed Python ?

• 2)

The Python prompt indicates that Interpreter is ready to accept instruction.

• 3)

Which of the following is not a Keyword in Python ?

• 4)

Which operator is also called as Comparative operator?

• 5)

Which of the following is not Logical operator?

#### 12th Standard Computer Science Unit 4 Algorithmic Strategies One Mark Question with Answer Key - by Shalini - Madurai - Aug 27, 2019 - View & Read

• 1)

The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?

• 2)

From the following sorting algorithms which algorithm needs the minimum number of swaps?

• 3)

Two main measures for the efficiency of an algorithm are

• 4)

Which of the following is not a characteristic of an algorithm?

• 5)

Which of the following is not an example of data structures?

#### 12th Computer Science Unit 3 Scoping One Mark Question Paper - by Shalini - Madurai - Aug 26, 2019 - View & Read

• 1)

Which of the following refers to the visibility of variablesin one part of a program to another part of the same program.

• 2)

The process of binding a variable name with an object is called

• 3)

Which of the following is used in programming languages to map the variable and object?

• 4)

Containers for mapping names of variables to objects is called

• 5)

Which scope refers to variables defined in current function?

#### 12th Computer Science Unit 2 Data Abstraction One Mark Question Paper - by Shalini - Madurai - Aug 24, 2019 - View & Read

• 1)

Which of the following functions that build the abstract data type ?

• 2)

The data type whose representation is unknown are called

• 3)

Bundling two values together into one can be considered as

• 4)

Which of the following allow to name the various parts of a multi-item object?

• 5)

Which of the following is constructed by placing expressions within square brackets?

#### 12th Computer Science Function One Mark Question Paper - by Shalini - Madurai - Aug 23, 2019 - View & Read

• 1)

The small sections of code that are used to perform a particular task is called

• 2)

Which of the following is a unit of code that is often defined within a greater code structure?

• 3)

The values which are passed to a function definition are called

• 4)

Which of the following are mandatory to write the type annotations in the function definition?

• 5)

The functions which cause side effects to the arguments passed are called

#### 12th Computer Science Lists, Tuples, Sets and Dictionary Model Question Paper - by Shalini - Madurai - Aug 20, 2019 - View & Read

• 1)

If List=[17,23,41,10] then List.append(32) will result

• 2)

What is the use of type() function in python?

• 3)

The keys in Python, dictionary is specified by

• 4)

Which of the following is not datatype in Python?

• 5)

If python sets - 1 as the index value for the last element is called

#### 12th Computer Science Strings and String Manipulations Model Question Paper - by Shalini - Madurai - Aug 19, 2019 - View & Read

• 1)

Defining strings within triple quotes allows creating:

• 2)

Strings in python:

• 3)

Which of the following formatting character is used to print exponential notation in upper case?

• 4)

The subscript of a string may be:

• 5)

String index values are also called as

#### 12th Computer Science Chapter 7 Python Functions Model Question Paper - by Shalini - Madurai - Aug 12, 2019 - View & Read

• 1)

A named blocks of code that are designed to do one specific job is called as

• 2)

In which arguments the correct positional order is passed to a function?

• 3)

Which of the following keyword is used to define the function testpython(): ?

• 4)

Which of the following avoids repetition and makes high degree of code reusing?

• 5)

Which of the following provides better modularity for your python application

#### 12th Standard Computer Science Control Structures Model Question Paper - by Shalini - Madurai - Aug 05, 2019 - View & Read

• 1)

How many important control structures are there in Python?

• 2)

The condition in the if statement should be in the form of

• 3)

Which amongst this is not a jump statement ?

• 4)

Which of the following is used to alter the control flow of the process depending on the state of the process?

• 5)

How many important control structures in python?

#### 12th Standard Computer Science Chapter 5 Python - Variables and Operators Model Question Paper - by Shalini - Madurai - Aug 03, 2019 - View & Read

• 1)

Which of the following is not a token ?

• 2)

Which operator is also called as Comparative operator?

• 3)

Python language was released in

• 4)

IDLE expansion is

• 5)

Which of the following defines the Pythons interactive mode of programming?

#### 12th Standard Computer Science First Mid Term Model Question Paper - by Shalini - Madurai - Aug 01, 2019 - View & Read

• 1)

The small sections of code that are used to perform a particular task is called

• 2)

The functions which cause side effects to the arguments passed are called

• 3)

In which type of function the return type is solely depends on its argument passed?

• 4)

A sequence of immutable objects is called

• 5)

The____________ can be implemented using singly linked list or doubly linked list

#### 12th Standard Computer Science Chapter 4 Algorithmic Strategies Important Question Paper - by Shalini - Madurai - Jul 30, 2019 - View & Read

• 1)

The word comes from the name of a Persian mathematician Abu Ja’far Mohammed ibn-i Musa al Khowarizmi is called?

• 2)

Two main measures for the efficiency of an algorithm are

• 3)

Time complexity of bubble sort in best case is

• 4)

The Θ notation in asymptotic evaluation represents

• 5)

Which of the following is not a characteristic of an algorithm?

#### 12th Standard Computer Science Chapter 3 Scoping Important Question Paper - by Shalini - Madurai - Jul 26, 2019 - View & Read

• 1)

Which of the following refers to the visibility of variablesin one part of a program to another part of the same program.

• 2)

The process of binding a variable name with an object is called

• 3)

How the names are mapped with objects in programming language?

• 4)

The order in which variables have to be mapped to the object in order to obtain the value is called

• 5)

Which of the following rule is used to decide the order in which the scopes are to be searched for scope resolution?

#### 12th Computer Science Unit 2 Data Abstraction Important Question Paper - by Shalini - Madurai - Jul 24, 2019 - View & Read

• 1)

Which of the following functions that build the abstract data type ?

• 2)

Which of the following functions that retrieve information from the data type?

• 3)

The data structure which is a mutable ordered sequence of elements is called

• 4)

Which of the following is a powerful concept that allows programmers to treat codes as objects?

• 5)

Which of the following provides modularity?

#### 12th Computer Science - Unit 1 Full Study Materials Function Important Question Paper - by Shalini - Madurai - Jul 18, 2019 - View & Read

• 1)

The small sections of code that are used to perform a particular task is called

• 2)

Which of the following is a unit of code that is often defined within a greater code structure?

• 3)

Which of the following is a distinct syntactic block?

• 4)

Which of the following are expressed using statements of a programming language?

• 5)

What must the used wheo a bulk of statements to be repeated for many number of times?

#### 12th Standard Computer Science Frequently Asked Question In Data Abstraction - by KARTHIK S. M - Jun 29, 2019 - View & Read

• 1)

Which of the following functions that build the abstract data type ?

• 2)

Which of the following functions that retrieve information from the data type?

• 3)

The data structure which is a mutable ordered sequence of elements is called

• 4)

A sequence of immutable objects is called

• 5)

The data type whose representation is known are called

#### Class 12th Standard New Syllabus Creative Question In Chapter - by KARTHIK S. M - Jun 29, 2019 - View & Read

• 1)

Which of the following functions that build the abstract data type ?

• 2)

Which of the following functions that retrieve information from the data type?

• 3)

The data type whose representation is known are called

• 4)

The data type whose representation is unknown are called

• 5)

Which of the following is a compound structure?

#### 12th Standard New Syllabus Chapter One Important Question - by KARTHIK S. M - Jun 29, 2019 - View & Read

• 1)

The small sections of code that are used to perform a particular task is called

• 2)

Which of the following is a unit of code that is often defined within a greater code structure?

• 3)

Which of the following is a distinct syntactic block?

• 4)

The variables in a function definition are called as

• 5)

Which of the following carries out the instructions defined in the interface?