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12th Standard Computer Science English Medium Free Online Test 1 Mark Questions 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. The data type whose representation is unknown are called

    (a)

    Built in datatype

    (b)

    Derived datatype

    (c)

    Concrete datatype

    (d)

    Abstract datatype

  3. Efficiency of an algorithm is measured by_______factors.

    (a)

    3

    (b)

    4

    (c)

    2

    (d)

    1

  4. Which of the following is not a token ?

    (a)

    Interpreter

    (b)

    Identifiers

    (c)

    Keyword

    (d)

    Operators

  5. Which amongst this is not a jump statement ?

    (a)

    for

    (b)

    goto

    (c)

    continue

    (d)

    break

  6. The program statements which are executed one after another is called ______ statements.

    (a)

    sequential

    (b)

    iterative

    (c)

    Branching

    (d)

    looping

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

    (a)

    ; (semicolon)

    (b)

    . (dot)

    (c)

    : (colon)

    (d)

    $ (dollar)

  8. ____ works like loop.

    (a)

    Function

    (b)

    Recursion

    (c)

    Composition

    (d)

    Specification

  9. Which of the following formatting character is used to print exponential notation in upper case?

    (a)

    %e

    (b)

    %E

    (c)

    %g

    (d)

    %n

  10. Which of the following function used to capitalize the first character of the string?

    (a)

    captial ()

    (b)

    firstcapital ()

    (c)

    capitalize ()

    (d)

    capitalizefirst ()

  11. 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()

  12. Python return ____________ value from a function

    (a)

    Only One

    (b)

    Only Two

    (c)

    Only Three

    (d)

    More than are

  13. Which of the following method is used as destructor?

    (a)

    __init__( )

    (b)

    __dest__( )

    (c)

    __rem__( )

    (d)

    __del__( )

  14. In Python, the class method must name the first argument named as ___________

    (a)

    this

    (b)

    new

    (c)

    self

    (d)

    var

  15. Which of the following is an RDBMS?

    (a)

    Dbase

    (b)

    Foxpro

    (c)

    Microsoft Access

    (d)

    SQLite

  16. A relation key is a key which uniquely identifies a particular _______________

    (a)

    columns

    (b)

    fields

    (c)

    tuples

    (d)

    none of these

  17. Queries can be generated using

    (a)

    SELECT

    (b)

    ORDER BY

    (c)

    MODIFY

    (d)

    ALTER

  18. ____________ is a condition application on a field or set of fields?

    (a)

    Class

    (b)

    Control structure

    (c)

    Constraint

    (d)

    Arguments

  19. Making some changes in the data of the existing file or adding more data is called

    (a)

    Editing

    (b)

    Appending

    (c)

    Modification

    (d)

    Alteration

  20. In ___________ mode, CSV file data format is strings

    (a)

    read mode

    (b)

    write mode

    (c)

    process mode

    (d)

    text mode

  21. In which language datatype or not required while declare variable?

    (a)

    C++

    (b)

    C

    (c)

    Java

    (d)

    Python

  22. Which of the following statement in SQL is used to retrieve or fetch data from a table in a database?

    (a)

    select

    (b)

    inset

    (c)

    create

    (d)

    fetch

  23. ________ is a software application for the interaction between users and the databases.

    (a)

    CSV

    (b)

    Python

    (c)

    DBMS

    (d)

    Sys

  24. Which type of charts displays information as series of data points?

    (a)

    Bar

    (b)

    Pie

    (c)

    Line

    (d)

    Histogram

  25. In Scatter plot, the position of a  point depends on its________ value

    (a)

    2 - Dimensional

    (b)

    3 - Dimensional

    (c)

    1 - Dimensional

    (d)

    7-Dimensional

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