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12th Standard Computer Science English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Three

12th Standard

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Computer Science

Time : 00:25:00 Hrs
Total Marks : 25

    Answer all the questions

    25 x 1 = 25
  1. Which of the following defines what an object can do?

    (a)

    Operating System

    (b)

    Compiler

    (c)

    Interface

    (d)

    Interpreter

  2. Stolen is an example________function.

    (a)

    user defined

    (b)

    impure

    (c)

    pure

    (d)

    recursive

  3. The data type whose representation is known are called

    (a)

    Built in datatype

    (b)

    Derived datatype

    (c)

    Concrete datatype

    (d)

    Abstract datatype

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

    (a)

    2

    (b)

    3

    (c)

    4

    (d)

    Only one

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

    (a)

    Abstract

    (b)

    Concrete

    (c)

    List

    (d)

    Tuple

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

    (a)

    Procedural Programming

    (b)

    Modular programming

    (c)

    Event Driven Programming

    (d)

    Object oriented Programming

  7. How many types of variable scope are there?

    (a)

    2

    (b)

    4

    (c)

    3

    (d)

    6

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

    (a)

    Statements

    (b)

    Interaction

    (c)

    Modules

    (d)

    Scopes

  9. Which of the following is not a stable sorting algorithm?

    (a)

    Insertion sort

    (b)

    Quick sort

    (c)

    Merge sort

    (d)

    Selection sort

  10. The way of defining an algorithm is called

    (a)

    Pseudo strategy

    (b)

    Programmic strategy

    (c)

    Algorithmic strategy

    (d)

    Data structured strategy

  11. Binary search also called

    (a)

    Sequential search

    (b)

    Half-interval search

    (c)

    Unordered search

    (d)

    Full-interval search

  12. Which of the following is not a Keyword in Python ?

    (a)

    break

    (b)

    while

    (c)

    continue

    (d)

    operators

  13. Which mode displays the python code result immediately?

    (a)

    Compiler

    (b)

    Interactive

    (c)

    Script

    (d)

    Program

  14. In Python the delimiters are not used in

    (a)

    Expressions

    (b)

    functions

    (c)

    dictioncuries

    (d)

    strings

  15. ____ mode is used to create and edit python source file.

    (a)

    Script

    (b)

    Interactive

    (c)

    Informative

    (d)

    Source

  16. Python uses _____ and _____ to define program blocks.

    (a)

    Alt, Shift

    (b)

    Spaces, tabs

    (c)

    tabs, functions

    (d)

    Ctrl, Shift

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

    (a)

    12

    (b)

    123

    (c)

    1234

    (d)

    124

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

    (a)

    ; (semicolon)

    (b)

    . (dot)

    (c)

    : (colon)

    (d)

    $ (dollar)

  19. What is stride?

    (a)

    index value of slide operation

    (b)

    first argument of slice operation

    (c)

    second argument of slice operation

    (d)

    third argument of slice operation

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

    (a)

    To create a Tuple

    (b)

    To know the type of an element in tuple.

    (c)

    To know the data type of python object

    (d)

    To create a list.

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

    (a)

    Error

    (b)

    Tamil

    (c)

    name

    (d)

    self

  22. What symbol is used for SELECT statement?

    (a)

    σ

    (b)

    Π

    (c)

    X

    (d)

    Ω

  23. 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

    (a)

    chennai,mylapore

    (b)

    mumbai,andheri

    (c)

    chennai,mumba

    (d)

    chennai,mylapore 
    mumbai,andheri

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

    (a)

    main(sys.argv[1:])

    (b)

    __name__

    (c)

    __main__

    (d)

    argv

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

    (a)

    (b)

    (c)

    (d)

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