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

12th Standard

    Reg.No. :
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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 are mandatory to write the type annotations in the function definition?

    (a)

    Curly braces

    (b)

    Parentheses

    (c)

    Square brackets

    (d)

    indentations

  2. The data type whose representation is unknown are called

    (a)

    Built in datatype

    (b)

    Derived datatype

    (c)

    Concrete datatype

    (d)

    Abstract datatype

  3. 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

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

    (a)

    Insertion sort

    (b)

    Quick sort

    (c)

    Merge sort

    (d)

    Selection sort

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

    (a)

    Bubble search

    (b)

    Binary search

    (c)

    Linear search

    (d)

    None of these

  6. Which sorting algorithm sort is by making only one exchange for every pass through the list?

    (a)

    Bubble

    (b)

    Selection

    (c)

    Comparison

    (d)

    Merge

  7. Efficiency of an algorithm is measured by_______factors.

    (a)

    3

    (b)

    4

    (c)

    2

    (d)

    1

  8. Which of the following is not a token ?

    (a)

    Interpreter

    (b)

    Identifiers

    (c)

    Keyword

    (d)

    Operators

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

    (a)

    >>>

    (b)

    <<<

    (c)

    .py

    (d)

    <<

  10. The multipleline string literal given in

    (a)

    ' '

    (b)

    " "

    (c)

    # #

    (d)

    "" ""

  11. Which is the most comfortable loop?

    (a)

    do..while

    (b)

    while

    (c)

    for

    (d)

    if..elif

  12. Find the odd man out

    (a)

    Branching

    (b)

    looping

    (c)

    sequential

    (d)

    Condition

  13. In Python for loop, the _____ refers to the initial, final and increment value.

    (a)

    else

    (b)

    sequence

    (c)

    range

    (d)

    b or c

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

    (a)

    ; (semicolon)

    (b)

    . (dot)

    (c)

    : (colon)

    (d)

    $ (dollar)

  15. Which of the following are the values pass to the function parameters?

    (a)

    Variables

    (b)

    Arguments

    (c)

    Definitions

    (d)

    Identifiers

  16. Which function returns the ascii value for the Unicode character?

    (a)

    ord ()

    (b)

    type()

    (c)

    ascii()

    (d)

    chr()

  17. By default python stops calling recursive function after

    (a)

    2000

    (b)

    5000

    (c)

    1000

    (d)

    100

  18. Which of the following is the slicing operator?

    (a)

    { }

    (b)

    [ ]

    (c)

    < >

    (d)

    ( )

  19. Python provides a function _____ to change all occurrences of a particular character in a string.

    (a)

    replace()

    (b)

    change ()

    (c)

    change all ()

    (d)

    repalceall ()

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

    (a)

    append()

    (b)

    append_more()

    (c)

    extend()

    (d)

    more()

  21. In li = [10,23,41,75], the negative index value of 41 is

    (a)

    2

    (b)

    -1

    (c)

    -2

    (d)

    -3

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

    (a)

    __object__( )

    (b)

    __del__( )

    (c)

    __func__( )

    (d)

    __init__( )

  23. Relational database model was first proposed by

    (a)

    E F Codd

    (b)

    E E Codd

    (c)

    E F Cadd

    (d)

    E F Codder

  24. In database, the data stored in ___________

    (a)

    Tables

    (b)

    Sets

    (c)

    Lists

    (d)

    DBMS

  25. Queries can be generated using

    (a)

    SELECT

    (b)

    ORDER BY

    (c)

    MODIFY

    (d)

    ALTER

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