12th Standard Computer Science Study material & Free Online Practice Tests - View Model Question Papers with Solutions for Class 12 Session 2019 - 2020
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Computer Science Question Papers

12th Standard Computer Science - Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart Model Question Paper - by Beula - Ramanathapuram - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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=Greeting ('Bindu Madhavan')
    obj.display()

  • 5)

    How do define constructor and destructor in Python?

12th Standard Computer Science - Database Concepts Three and Five Marks Questions - by Shalini - Madurai - 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 - 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 - 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)

    What is the difference between reader() and DictReader() function?

12th Computer Science - Importing C++ Programs in Python Three and Five Marks Questions - by Shalini - Madurai - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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?

TN 12th Standard Computer Science Official Model Question Paper 2019 - 2020 - by Shalini - Madurai - View & Read

12th Computer Science Unit 16 Data Visualization Using Pyplot: Line Chart, Pie Chart and Bar Chart Book Back Questions - 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)

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

  • 4)

    Read the code:
    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 - 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 - 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 - 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
    d=csv.reader(open('c:\PYPRG\ch13\city.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 - 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 - 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 - 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 - 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 - View & Read

  • 1)

    Which of the following is the output of the following python code?
    str1="TamilNadu"
    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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - View & Read

  • 1)

    Which of the following is the output of the following python code?
    str1="TamilNadu"
    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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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?

View all

TN Stateboard Education Study Materials

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 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.

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