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

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. The values which are passed to a function definition are called

    (a)

    Arguments

    (b)

    Subroutines

    (c)

    Function

    (d)

    Definition

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

    (a)

    Parameters

    (b)

    Algorithm

    (c)

    Data types

    (d)

    Arguments

  3. A sequence of immutable objects is called

    (a)

    Built in

    (b)

    List

    (c)

    Tuple

    (d)

    Derived data

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

    (a)

    User-defined datatype

    (b)

    Derived datatype

    (c)

    Built-in datatype

    (d)

    Abstract datatype

  5. Containers for mapping names of variables to objects is called

    (a)

    Scope

    (b)

    Mapping

    (c)

    Binding

    (d)

    Namespaces

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

    (a)

    Programming languages

    (b)

    Application software

    (c)

    System software

    (d)

    MySQL

  7. The Θ notation in asymptotic evaluation represents

    (a)

    Base case

    (b)

    Average case

    (c)

    Worst case

    (d)

    NULL case

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

    (a)

    Control statement

    (b)

    Structure

    (c)

    List

    (d)

    Dictionary

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

    (a)

    .pyt

    (b)

    .pyh

    (c)

    .py

    (d)

    .pon

  10. Which is the most comfortable loop?

    (a)

    do..while

    (b)

    while

    (c)

    for

    (d)

    if..elif

  11. How many important control structures in python?

    (a)

    2

    (b)

    3

    (c)

    4

    (d)

    many

  12. Which of the following keyword is used to exit a function block?

    (a)

    define

    (b)

    return

    (c)

    finally

    (d)

    def

  13. Functions that calls itself are known as

    (a)

    User defined

    (b)

    Recursive

    (c)

    Built-in

    (d)

    Lambda

  14. Defining strings within triple quotes allows creating:

    (a)

    Single line Strings

    (b)

    Multiline Strings

    (c)

    Double line Strings

    (d)

    Multiple Strings

  15. The positive subscript always starts with

    (a)

    0

    (b)

    1

    (c)

    -1

    (d)

    0.1

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

    (a)

    [35,10,20,30,40,50]

    (b)

    [10,20,30,40,50,35]

    (c)

    [10,20,35,40,50]

    (d)

    [10,35,30,40,50]

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

    (a)

    Tuple

    (b)

    Set

    (c)

    List

    (d)

    Dictionary

  18. Which of the following is valid syntax of accessing class members

    (a)

    objectname = classmember ()

    (b)

    objectname. classmember ()

    (c)

    objectname. classmember

    (d)

    objectname. classmember

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

    (a)

    DBMS

    (b)

    Database

    (c)

    Object

    (d)

    SQL

  20. Latest SQL standard as of now is

    (a)

    SQL 2008

    (b)

    SQL 2009

    (c)

    SQL 2018

    (d)

    SQL 2.0

  21. The ________ symbol is used with the COUNT to induce the NULL values.

    (a)

    +

    (b)

    *

    (c)

    >=

    (d)

    =

  22. How many modes can be specified while opening a CSV file?

    (a)

    2

    (b)

    4

    (c)

    3

    (d)

    None of these

  23. ________ provides a module named CSV using this several operations on the CSV file can be done.

    (a)

    Ms-Exeel

    (b)

    Python

    (c)

    Text editor

    (d)

    Open offiee calc

  24. Which of the following language used automatic garbage collection?

    (a)

    C++

    (b)

    Java

    (c)

    C

    (d)

    Python

  25. The most popular data visualization library in Python is

    (a)

    matplotlib

    (b)

    pip

    (c)

    matinfolib

    (d)

    matpiplib

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