Term II Model Question Paper

11th Standard

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Computer Science

Time : 02:30:00 Hrs
Total Marks : 70
    15 x 1 = 15
  1. Name the volatile memory _____

    (a)

    ROM

    (b)

    PROM

    (c)

    RAM

    (d)

    EPROM

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

    (a)

    Byte

    (b)

    Nibble

    (c)

    Word length

    (d)

    Bit

  3. A + A =?

    (a)

    A

    (b)

    O

    (c)

    I

    (d)

    A

  4. Which of the following is a CISC processor?

    (a)

    Intel P6

    (b)

    AMD K6

    (c)

    Pentium III

    (d)

    Pentium IV

  5. Which of the following OS is a Commercially licensed Operating system?

    (a)

    Windows

    (b)

    UBUNTU

    (c)

    FEDORA

    (d)

    REDHAT

  6. Android is a ________

    (a)

    Mobile Operating system

    (b)

    Open Source

    (c)

    Developed by Google

    (d)

    All the above

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

    (a)

    Ubuntu

    (b)

    Redhat

    (c)

    CentOs

    (d)

    BSD

  8. Stating the input property and the as output relation a problem is known

    (a)

    specification

    (b)

    statement

    (c)

    algorithm

    (d)

    definition

  9. How many times the loop is iterated?
    i:= 0
    while i \(\neq \)5
    i := i+ 1

    (a)

    4

    (b)

    5

    (c)

    6

    (d)

    0

  10. Who developed C++?

    (a)

    Charles Babbage

    (b)

    Bjarne Stroustrup

    (c)

    Bill Gates

    (d)

    Sundar Pichai

  11. Which of the following is a valid string literal?

    (a)

    'A'

    (b)

    'Welcome'

    (c)

    1232

    (d)

    "1232"

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

    (a)

    signed

    (b)

    int

    (c)

    float

    (d)

    char

  13. This can be used as alternate to endl command:

    (a)

    \t

    (b)

    \b

    (c)

    \0

    (d)

    \n

  14. Which of the following is the exit control loop?

    (a)

    for 

    (b)

    while 

    (c)

    do ... while

    (d)

    if ... else

  15. Which of the following is the scope of operator?

    (a)

    >

    (b)

    &

    (c)

    %

    (d)

    ::

  16. 6 x 2 = 12
  17. Distinguish between data and information?

  18. Draw the truth table for XOR gate

  19. What is a program counter?

  20. What is multi-processing?

  21. Define a loop invariant.

  22. Consider the following C++ statement. Are they equivalent?
    char ch = 67;
    char ch = ‘C’;

  23. 6 x 3 = 18
  24. Differentiate optical and Laser mouse.

  25. Write the De Morgan's law.

  26. What are the advantages and disadvantages of Time-sharing features?

  27. What is abstraction?

  28. If C is false in line 2, trace the control flow in this algorithm.
    1 S1
    2 -- C is false
    3 if C
    4 S2
    5 else
    6 S3
    7 S4

  29. Write the syntax and purpose of switch statement.

  30. 5 x 5 = 25
  31. Subtract 11010112 - 1110102

  32. Assume a=15, b=20; What will be the result of the following operations?
    (a) a&b
    (b) a|b
    (c) a^b
    (d) a>>3
    (d) (~b).

  33. Write the output of the following c++ program
    #include
    #include
    #include
    #include
    using namespace std;
    struct books {
    char name[20], author[20];
    } a[50];
    int main()
    {
    clrscr();
    cout<< "Details of Book No " << 1 << "\n";
    cout << "------------------------\n";
    cout << "Book Name :"< cout << "Book Author :"< cout << "\nDetails of Book No " << 2 << "\n";
    cout << "------------------------\n";
    cout << "Book Name :"< cout << "Book Author :" < cout << "\n\n";
    cout << "================================================\n";
    cout << " S.No\t| Book Name\t|author\n";
    cout << "====================================================";
    for (int i = 0; i < 2; i++) {
    cout<< "\n " << i + 1 << "\t|" << a[i].name << "\t| " << a[i].author;
    }
    cout<< "\n=================================================";
    return 0;
    }

  34. What are the advanatges of OOPs?

  35. Write the output of the following
    #include < iostream >
    #include < stdio.h >
    using namespace std;
    class P
    { public:
    P ( )
    { cout<< "\nConstructor of class P "; }
    ~ P ( )
    { cout<< "\nDestructor of class P "; }
    };
    class Q
    { public:
    Q( )
    { cout<< "\nConstructor of class Q "; }
    ~ Q( )
    { cout<< "\nDestructor of class Q "; }
    };
    class R
    { P obj1, obj2;
    Q obj3;
    public:
    R ( )
    { cout<< "\nConstructor of class R ";}
    ~ R ( )
    { cout<< "\nDestructor of class R ";}
    };
    int main ( )
    {
    Ro R;
    Q oq;
    P op;
    return 0;
    }

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