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

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. How the names are mapped with objects in programming language?

    (a)

    name == object

    (b)

    name:: object

    (c)

    name:= object

    (d)

    object:= name

  2. Which of the following programming enables programmers to divide up the work and retry pieces of the program independently?

    (a)

    Modular Programming

    (b)

    Procedural Programming

    (c)

    Object Oriented Programming

    (d)

    Structural Programming

  3. The duration for which a variable is alive is called its_______

    (a)

    End time

    (b)

    Life time

    (c)

    Scope time

    (d)

    Visible time

  4. Which of the following is not a sorting technique?

    (a)

    Bubble

    (b)

    Binary

    (c)

    Insertion

    (d)

    Quick

  5. Which sorting techniques working by taking elements from the list one by one and inserting. them in their correct position into a new sorted list?

    (a)

    Bubble

    (b)

    Selection

    (c)

    Merge

    (d)

    Insertion

  6. Which of the following function in Python is used to convert strings data as integer data explicitly?

    (a)

    integer ()

    (b)

    num ()

    (c)

    int ()

    (d)

    number ()

  7. In Python, comments begin with _____

    (a)

    /

    (b)

    #

    (c)

    \

    (d)

    //

  8. Which of the following can be used when the user wants to execute a block of code several times bill the condition is satisfied?

    (a)

    while

    (b)

    if-else

    (c)

    if-elif-if

    (d)

    all of there

  9. Which of the following keyword is used to begin the function block?

    (a)

    define

    (b)

    for

    (c)

    finally

    (d)

    def

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

    (a)

    Variables

    (b)

    Arguments

    (c)

    Definitions

    (d)

    Identifiers

  11. Which of the following function return the address of the object in memory?

    (a)

    address ()

    (b)

    object ()

    (c)

    id ()

    (d)

    format ()

  12. The __ function is inverse of ord () function.

    (a)

    id ()

    (b)

    bin ()

    (c)

    chr ()

    (d)

    none of these

  13. Defining strings within triple quotes allows creating:

    (a)

    Single line Strings

    (b)

    Multiline Strings

    (c)

    Double line Strings

    (d)

    Multiple Strings

  14. What is the output from the following statement?
    str1= "python"
    print (str1[: : - 2])

    (a)

    nhy

    (b)

    Pyt

    (c)

    hy

    (d)

    on

  15. 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()

  16. Which of the following operator can be used to alter the range of elements in the list?

    (a)

    = =

    (b)

    ::

    (c)

    =

  17. 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

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

    (a)

    columns

    (b)

    fields

    (c)

    tuples

    (d)

    none of these

  19. The default value of dialect parameter skipinitialspace is

    (a)

    True

    (b)

    false

    (c)

    on

    (d)

    off

  20. ___________ module of python helps you to split command line options and arguments.

    (a)

    OS

    (b)

    Getopt

    (c)

    Sys

    (d)

    All of these

  21. The command to dear the windowscreen is __________.

    (a)

    CIs

    (b)

    Clear

    (c)

    Clr

    (d)

    Clrscr

  22. The most commonly used statement in SQL is

    (a)

    cursor

    (b)

    select

    (c)

    execute

    (d)

    commit

  23. Which of the following is a command to open the already created database from the statement connection = sqlite3.connect ("ABC.db")

    (a)

    ABC.db

    (b)

    connect

    (c)

    SQlite3

    (d)

    connection

  24. Which SQlite method is used to fetch the required number of rows in the database table?

    (a)

    fetch ( )

    (b)

    fetchamany ( )

    (c)

    fetchrows ( )

    (d)

    tablerows ( )

  25. Which of the following is not a five number summary in box plot visualization?

    (a)

    First Quartile

    (b)

    Second Quartile

    (c)

    Third Quartile

    (d)

    Minimum

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