### 12th Standard EM Computer Science Study material & Free Online Practice Tests - View Model Question Papers with Solutions for Class 12 Session 2019 - 2020 TN Stateboard [ Chapter , Marks , Book Back, Creative & Term Based Questions Papers - Syllabus, Study Materials, MCQ's Practice Tests etc..]

#### 12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 2020 - by Shalini - Madurai - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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.

### TN Stateboard Education Study Materials

#### 12th Standard Computer Science English Medium Reduced Syllabus 2020 - 2021 - by QB Admin Jan 23, 2021 Jan 23, 2021

Reduced Syllabus and Chapters for 12th Standard Computer Science English Medium

Practical Notes

#### 12th Stateboard Computer Science 2019 - 2020 Academic Monthly Syllabus - by Shalini - Madurai Aug 02, 2019 Aug 02, 2019

Computer Science 2019 - 2020 Academic Monthly Syllabus

### TN Stateboard Updated Class 12th Computer Science Syllabus

#### Function

Introduction - Function with respect to Programming language - Interface vs Implementation - Pure functions

#### Data Abstraction

Data Abstraction - Introduction - Abstract Data Types - Constructors and Selectors - Representation of Abstract datatype using Rational numbers - Lists, Tuples - Data Abstraction in Structure

#### Scoping

Introduction - Variable Scope - LEGB rule - Types of Variable Scope - Module

#### Algorithmic Strategies

Introduction to Algorithmic strategies - Complexity of an Algorithm - Efficiency of an algorithm - Algorithm for Searching Techniques - Sorting Techniques - Dynamic programming

#### Python -Variables and Operators

Introduction - Key features of Python - Programming in Python - Input and Output Functions - Comments in Python - Indentation - Tokens - Python Data types

#### Control Structures

Introduction - Control Structures

#### Python functions

Introduction - Defining Functions - Calling a Function - Passing Parameters in Functions - Function Arguments - Anonymous Functions - The return Statement - Scope of Variables - Functions using libraries - Python recursive functions

#### Strings and String manipulations

Introduction - Creating Strings - Accessing characters in a String - Modifying and Deleting Strings - String Operators - String Formatting Operators - Formatting characters - The format( ) function - Built-in String functions - Membership Operators

#### Lists, Tuples, Sets and Dictionary

Introduction to List - Tuples - Sets - Dictionaries

#### Python Classes and objects

Introduction - Defining classes - Creating Objects - AccessingClass Members - Class Methods - Constructor and Destructor in Python - Public and Private Data Members

#### Database Concepts

Data - Information - Database - Database Management System (DBMS) - Database Structure - Data Model - Difference between DBMS and RDBMS - Types of Relationships - Relational Algebra in DBMS

#### Structured Query Language (SQL)

Introduction to SQL - Role of SQL in RDBMS - Processing Skills of SQL - Creating Database - Components of SQL - Data Types - SQL Commands and their Functions

#### Python and CSV files

Introduction - Difference between CSV and XLS file formats - Purpose of CSV File - Creating a CSV file using Notepad (or any text editor - Create a CSV File using Microsoft Excel - Read and Write a CSV file using Python - Writing Data into Different Types in CSV Files

#### Importing C++ programs in Python

Introduction - Scripting Language - Applications of Scripting Languages - Features of Python over C++ - Importing C++ Files in Python - Python Program to import C++ - Python program Executing C++ Program using control statement - How Python is handling the errors in C++ - Python program Executing C++ Program Containing Arrays - Python program Executing C++ Program Containing Functions - Python program to illustrate the inheritance of a Class

#### Data manipulation through SQL

Introduction - SQLite - Creating a Database using SQLite - SQL Query Using Python - The SQL AND, OR and NOT Operators - Querying A Date Column - Aggregate Functions - Updating A Record - Deletion Operation - Data input by User - Using Multiple Table for Querying - Integrating Query With CSV File - Table List

#### Data visualization using pyplot: line chart, pie chart and bar chart

Data Visualization Definition - Getting Started - Special Plot Types

#### TN StateboardStudy Material - Sample Question Papers with Solutions for Class 12 Session 2019 - 2020

Latest Sample Question Papers & Study Material for class 12 session 2019 - 2020 for Subjects Maths, Chemistry, Physics, Biology, Business Maths, Economics, Commerce, Accountancy, History, Computer Applications, Computer Technology, English in PDF form to free download [ available question papers ] for practice. Download QB365 Free Mobile app & get practice question papers.

More than 1000+ TN Stateboard Syllabus Sample Question Papers & Study Material are based on actual Board question papers which help students to get an idea about the type of questions that will be asked in Class 12 Final Board Public examinations. All the Sample Papers are adhere to TN Stateboard guidelines and its marking scheme , Question Papers & Study Material are prepared and posted by our faculty experts , teachers , tuition teachers from various schools in Tamilnadu.

Hello Students, if you like our sample question papers & study materials , please share these with your friends and classmates.