Plus One Public Exam March 2019 One Mark Question Paper

11th Standard

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Computer Science

Time : 01:00:00 Hrs
Total Marks : 100
    100 x 1 = 100
  1. Identify the output device _____

    (a)

    Keyboard

    (b)

    Memory

    (c)

    Monitor

    (d)

    Mouse

  2. Identify the input device _____

    (a)

    Printer

    (b)

    Mouse

    (c)

    Plotter

    (d)

    Projector

  3. Which is the combination of hardware and software?

    (a)

    Programs

    (b)

    Computer

    (c)

    Data

    (d)

    Information

  4. Which unit does the processing of data?

    (a)

    CPU

    (b)

    Registers

    (c)

    Input unit

    (d)

    Output unit

  5. Which of the following is the heart of the computer?

    (a)

    CPU

    (b)

    HDD

    (c)

    SDD

    (d)

    ANN

  6. The expansion of LCD is _____

    (a)

    Liquid Cathode Diodes

    (b)

    Liquid Cluster Display

    (c)

    Liquid Crytal Display

    (d)

    Live Extract Display

  7. Which refers to the number of bits processed by a computer's CPU?

    (a)

    Byte

    (b)

    Nibble

    (c)

    Word length

    (d)

    Bit

  8. How many characters can be handled in Binary Coded Decimal System?

    (a)

    64

    (b)

    255

    (c)

    256

    (d)

    128

  9. Which is a basic electronic circuit which operates on one or more signals?

    (a)

    Boolean algebra

    (b)

    Gate

    (c)

    Fundamental gates

    (d)

    Derived gates

  10. "75% of Men likes cricket" is............

    (a)

    Information

    (b)

    data

    (c)

    knowledgeRecord

    (d)

    Record

  11. The 4 bit binary equivalent of -5 is......

    (a)

    1101

    (b)

    0101

    (c)

    1100

    (d)

    -101

  12. Which term refers to a part which together with another makes up a whole?

    (a)

    Signed

    (b)

    Unsigned

    (c)

    Complement

    (d)

    Uncomplement

  13. Which of the following programs uses ASCII Code?

    (a)

    Only C

    (b)

    only  C++

    (c)

    Both C, C++

    (d)

    Java

  14. Binary Multiplication in possible with........

    (a)

    0 and 1

    (b)

    0 and 0

    (c)

    1 and 1

    (d)

    All the above

  15. Which is the fastest memory?

    (a)

    Hard disk 

    (b)

    Main memory

    (c)

    Cache memory

    (d)

    Blue-Ray disc

  16. How many memory locations ate identified by a processor with 8 bits address bus at a time?

    (a)

    28

    (b)

    1024

    (c)

    256

    (d)

    8000

  17. What is the smallest size of data represented in a CD?

    (a)

    blocks

    (b)

    sectors

    (c)

    pits

    (d)

    tracks

  18. Display devices are connected to the computer through __________

    (a)

    USB port

    (b)

    Ps/2 port

    (c)

    SCSI port

    (d)

    VGA connector

  19. Which of the following is an integrated circuit?

    (a)

    Personal computers

    (b)

    Microprocessors

    (c)

    INTEL

    (d)

    Transistors

  20. Which of the following process computer instructions?

    (a)

    ALU

    (b)

    Control Unit

    (c)

    Register

    (d)

    Microprocessor

  21. How many types of operations carried out of instruction set?

    (a)

    5

    (b)

    4

    (c)

    3

    (d)

     2

  22. The first commercial microprocessor is a ..........bit processor.

    (a)

    8

    (b)

    16

    (c)

    4

    (d)

     2

  23. Which of the following transfer data up to 5 Gigabyte / second?

    (a)

    USB 1.0

    (b)

    USB 2.0

    (c)

    USB 3.0

    (d)

    USB 1.2

  24. How the CD data is represented?

    (a)

    Pits

    (b)

    Tracks

    (c)

    Lands

    (d)

    Rings

  25. Operating system is a_____.

    (a)

    Application Software

    (b)

    Hardware

    (c)

    System Software

    (d)

    Component

  26. File Management manages_______

    (a)

    Files

    (b)

    Folders

    (c)

    Directory systems

    (d)

    All the Above

  27. Which of the following operating system are not in mobile phones?

    (a)

    Symbian

    (b)

    Linux

    (c)

    Apple iOS

    (d)

    Google Android

  28. Which of the following is a concept of having more than one operating system on single PC?

    (a)

    Multiuser

    (b)

    Multi tasking

    (c)

    Multiprocessor

    (d)

    Virtual

  29. Which one of the following is not an algorithm.

    (a)

    NTFS

    (b)

    FIFO

    (c)

    SJE

    (d)

    Round Robin

  30. From the options given below, choose the operations managed by the operating system.

    (a)

    Memory

    (b)

    Processes

    (c)

    Disks and I/O devices

    (d)

    all of the above

  31. Which is the default folder for many Windows Applications to save your file?

    (a)

    My Document

    (b)

    My Pictures

    (c)

    Documents and Settings

    (d)

    My Computer

  32. Which of the following OS is not based on Linux?

    (a)

    Ubuntu

    (b)

    Redhat

    (c)

    CentOs

    (d)

    BSD

  33. Which command is used to cut file or folder?

    (a)

    File ⟶ Cut

    (b)

    Edit ⟶ Cut

    (c)

    Edit ⟶ Move

    (d)

    Format ⟶ Cut

  34. The shortcut key is used to paste the cutted file or folder is _____

    (a)

    Ctrl + V

    (b)

    Ctrl + P

    (c)

    Alt + P

    (d)

    Shift + V

  35. Which are the symbols seen while collapsing and expanding the folder list in Windows explorer?

    (a)

    *,?

    (b)

    @,?

    (c)

    +,-

    (d)

    *,-

  36. Which program or software is available free of charge?

    (a)

    Open source

    (b)

    Closed source

    (c)

    Shareware

    (d)

    none of these

  37. Match the following.

    (i) Tablet OS (1) Linux
    (ii) Desktop OS (2) Android
    (iii) Smart phone OS (3) ios
    (iv) OS used in super computer (4) Windows 7
    (a)

    1,4,3,2

    (b)

    1,2,4,3

    (c)

    4,3,1,2

    (d)

    3,4,2,1

  38. The most common way of opening a file or a Folder is to __________________click on it.

    (a)

    left

    (b)

    right

    (c)

    double

    (d)

    single

  39. Ensuring the input-output relation is

    (a)

    the responsibility of the algorithm ana the right of the' user.

    (b)

    the responsibility of the user and the right of the algorithm.

    (c)

    the responsibility of the algorithm but not the right of the user.

    (d)

    the responsibility of both the user and the algorithm.

  40. Which is intended to solve a problem?

    (a)

    Program

    (b)

    Statements

    (c)

    Process

    (d)

    algorithm

  41. Which defines the rights and responsibilities of the algorithm?

    (a)

    Abstraction

    (b)

    Composition

    (c)

    Specification

    (d)

    None of these

  42. Which is the most effective tool used for manging program complexity

    (a)

    Specification

    (b)

    Control flow

    (c)

    Composition

    (d)

    none of these

  43. Which of the following is (are) a control flow statements?

    (a)

    Sequential

    (b)

    Alternative

    (c)

    Iterative

    (d)

    All of these

  44. Which of the following is an iterative statement?

    (a)

    If  C
        S

    (b)

    While C
              S

    (c)

    --P
      S1
    --Q

    (d)

    both (a) and (b)

  45. Testing a loop condition and executing the loop body once is called _________

    (a)

    alternative

    (b)

    sequence

    (c)

    condition

    (d)

    iteration

  46. Suppose u, v = 10, 5 before the assignment. What are the values of u and v after the sequence of assignments?
    1 u :=v
    2 v := u

    (a)

    u, v = 5,5

    (b)

    u, v = 5 ,10

    (c)

    u, v = 10,5

    (d)

    u, v = 10 ,10

  47. Using this recursive definition\({ a }^{ n }=\begin{cases} 1\quad \quad \quad \quad \quad \quad ifn=0 \\ a\times { a }^{ n }-1\quad otherwise \end{cases}\)how many multiplications are needed to calculate a10?

    (a)

    11

    (b)

    10

    (c)

    9

    (d)

    8

  48. Which of the following is the key to construct iterative algorithms

    (a)

    loop invariant

    (b)

    loop updation

    (c)

    loop variable

    (d)

    lop condition

  49. How many important points the loop variant is true?

    (a)

    1

    (b)

    2

    (c)

    3

    (d)

    4

  50. The smallest individual unit in a program is:

    (a)

    Program

    (b)

    Algorithm

    (c)

    Flowchart

    (d)

    Tokens

  51. Which of the following data type is not a fundamental type?

    (a)

    signed

    (b)

    int

    (c)

    float

    (d)

    char

  52. Identifiers are also called

    (a)

    literals

    (b)

    constants

    (c)

    variables

    (d)

    seperators

  53. Literals are also called

    (a)

    constants

    (b)

    punctuators

    (c)

    operators

    (d)

    identifiers

  54. In which year, the first standardized version, was published?

    (a)

    1983

    (b)

    1984

    (c)

    1998

    (d)

    2014

  55. Which of the following is a current statement?
    (i) C++ is a Hybrid language
    (ii) C++ not an object driven language
    (iii) C++ supports exception handling
    (iv) Data hiding possible

    (a)

    only (i)(ii)

    (b)

    only (i), (iii)

    (c)

    only (i), (iii),(iv)

    (d)

    only (iii), (ii)

  56. Which of the following used to identify the type of data and associated operations of handling it?

    (a)

    literals

    (b)

    Datatypes

    (c)

    Keywords

    (d)

    puntuators

  57. Which of the following is not a new fundamental datatype?

    (a)

    bool

    (b)

    char 16-t

    (c)

    char 32-t

    (d)

    char

  58. How many modifiers are there in C++?

    (a)

    1

    (b)

    2

    (c)

    3

    (d)

    4

  59. In C++, the group of statement should be enclosed within:

    (a)

    { }

    (b)

    [ ]

    (c)

    ( )

    (d)

    < >

  60. How many times the following loop with execute? for (int i=0; i<10; i++)

    (a)

    0

    (b)

    10

    (c)

    9

    (d)

    11

  61. The null or empty statement is a statement containing only a

    (a)

    semicolon (;)

    (b)

    colon (:)

    (c)

    comma ,

    (d)

    bracess { }

  62. Which of the statement(s) called as control flow?

    (a)

    branching

    (b)

    iteration

    (c)

    jumping

    (d)

    function calls

    (e)

    all of these

  63. Which of the following is an alternative for 'if else statement'?

    (a)

    Relational operator

    (b)

    Logical operator

    (c)

    Unary operator

    (d)

    Conditional operator

  64. Which of the following statement is true?

    (a)

    expression 1? expression 2 : expression 3 ;

    (b)

    expression 1: expression 2 ? expression 3 ;

    (c)

    expression 1; expression 2 : expression 3 ?

    (d)

    expression I? expression 2 ; expression 3 ?

  65. Which of the following header file defines the standard I/0 predefined functions?

    (a)

    stdio.h

    (b)

    nnath.h

    (c)

    string.h

    (d)

    ctype.h

  66. Which of the following function is with a return value and without any argument?

    (a)

    x=display(int, int)

    (b)

    x=display()

    (c)

    y=display(float)

    (d)

    display(int)

  67. Which of the following function does not return I?

    (a)

    isupper ()

    (b)

    toupper()

    (c)

    islower()

    (d)

    isdigit()

  68. The result of sqrt(-9) is

    (a)

    +3

    (b)

    -3

    (c)

    0

    (d)

    error

  69. Which of the following is not a pow() function argument?
    (i) base
    (ii) exponent
    (iii) character

    (a)

    Only (i)

    (b)

    Only (ii)

    (c)

    Only (iii)

    (d)

    both (ii) and (iii)

  70. Which of the following is not a return type of pow() function?

    (a)

    integer

    (b)

    double

    (c)

    float

    (d)

    long double

  71. A variable declared above all blocks and functions and main ( ) function has the scope

    (a)

    file

    (b)

    function

    (c)

    class

    (d)

    local

  72. Which of the following is the collection of variables of the same type that an referenced by a common name?

    (a)

    int

    (b)

    float

    (c)

    Array

    (d)

    class

  73. Which of the following cannot be a structure member?

    (a)

    Another structure

    (b)

    Function

    (c)

    Array

    (d)

    variable of double datatype

  74. If array is not initialized, all the array elements contain

    (a)

    initial value

    (b)

    garbage value

    (c)

    final value

    (d)

    no value

  75. The first argument of get() function is

    (a)

    size of an array

    (b)

    name of an array

    (c)

    index number

    (d)

    number of elements

  76. The paradigm which aims more at procedures.

    (a)

    Object Oriented Programming

    (b)

    Procedural programming

    (c)

    Modular programming

    (d)

    Structural programming

  77. How many different approaches are there for problem solving using computer?

    (a)

    2

    (b)

    3

    (c)

    4

    (d)

    6

  78. Which of the following statement is true?
    (i) Modular Programming Emphasis on algorithm rather than data
    (ii) Object oriented programming emphasis on data rather than algorithm.

    (a)

    only(i)

    (b)

    only (ii)

    (c)

    both (i) and (ii)

    (d)

    none of these

  79. Which of the following provides the security of data?

    (a)

    Inheritance

    (b)

    Polymorphism

    (c)

    Data Abstraction

    (d)

    Encapsulation

  80. Class x
    {
    int y;
    public:
    x(int z){y=z;}
    }xl[4];
    int main()
    { x x2(10);
    return 0;}
    How many objects are created for the above program?

    (a)

    10

    (b)

    14

    (c)

    5

    (d)

    2

  81. Who developed C++?

    (a)

    Bjurne Strustrup

    (b)

    James Goushing

    (c)

    Dennis Retchie

    (d)

    Ken Thomson

  82. By default, structure members are create as

    (a)

    protected

    (b)

    private

    (c)

    public

    (d)

    none of these

  83. Which of the following represents the properties of a class?

    (a)

    members functions

    (b)

    data members

    (c)

    access specifiers

    (d)

    procedures

  84. Which of the following function is not advisable when a member function having many statements?

    (a)

    Normal

    (b)

    in-line

    (c)

    outline

    (d)

    non-inline

  85. In which of the following method the function works directly on the original object?

    (a)

    pass by method

    (b)

    pass by reference

    (c)

    pass by argument

    (d)

    pass by value

  86. How will you invoke the function dispchar() for the following input?
    To print Dollar for 10 times

    void dispchar(char ch='$';int size=10)
    {
    for(int i=1;i < = size;i++)
    cout << ch
    }
      

    (a)

    dispchar ();

    (b)

    dispchar( ch,size);

    (c)

    dispchar($,10);

    (d)

    dispchar('$',10 times);

  87. Which of the following statement is true or false?
    (i) Function overloading reduces the number of comparison in a program
    (ii) Function overloading makes the program execute faster
    (iii) Function overloading helps by reducing the number of function names to be remembered
    (iv) Scope resolution operator cannot be overloaded.

    (a)

    i-false, ii-true, iii-true, iv-false

    (b)

    i-true, ii-true, iii-true, iv-true

    (c)

    i-false, ii-false, iii-true, iv-true

    (d)

    i-true, ii-true, iii-false, iv-true

  88. Which of the following identifies a given member function is a constructor?

    (a)

    compiler

    (b)

    class

    (c)

    object

    (d)

    method

  89. Inheritance is process of creating new class from

    (a)

    Base class

    (b)

    abstract

    (c)

    derived class

    (d)

    Function

  90. Which of the following feature of oops acquires the properties of the existing class?

    (a)

    polymorphism

    (b)

    Encapsulation

    (c)

    Inheritance

    (d)

    Data abstraction

  91. In which type of inheritance the base class do not have any relationship between them?

    (a)

    Multilevel inheritance

    (b)

    Hierarchical inheritance

    (c)

    Multiple inheritance

    (d)

    Hybrid inheritance

  92. Which of the following class destructor expires first____________
    (i) base class
    (ii) derived class

    (a)

    only (i)

    (b)

    only (ii)

    (c)

    both (i) and (ii)

    (d)

    none of these

  93. The derived class member, functions have the same of the base class member functions is called

    (a)

    overloading

    (b)

    data hiding

    (c)

    data binding

    (d)

    over riding

  94. The process of converting cipher text to plain text is called

    (a)

    Encryption

    (b)

    Decryption

    (c)

    key

    (d)

    proxy server

  95. Which of the following is a crime which involves computer and network?

    (a)

    Phishing

    (b)

    Pharming

    (c)

    Hacking

    (d)

    Piracy

    (e)

    All of these

  96. Who breaks into someone else's computer system called

    (a)

    Hacker

    (b)

    Cracker

    (c)

    Breaker

    (d)

    Cipher

  97. "Phishing without a trop" called

    (a)

    Hacking

    (b)

    Cracking

    (c)

    Pharming

    (d)

    Warehouse

  98. Which ofthe following search engine gives Tamil virtual keyboard?

    (a)

    Bing

    (b)

    Yahoo

    (c)

    Safari

    (d)

    Google

  99. In white OS, Sellinam Tamil keyboard layout works?

    (a)

    windows

    (b)

    linux

    (c)

    Android

    (d)

    iOS

  100. The first Tamil programming language is

    (a)

    Ezhil

    (b)

    Kuzhal

    (c)

    Thamizpori

    (d)

    kamban

*****************************************

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