Quarterly Model Question Paper

11th Standard

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Computer Science

Time : 02:45:00 Hrs
Total Marks : 70
    15 x 1 = 15
  1. A first generation computers used ______.

    (a)

    Vacuum tubes

    (b)

    Transistors

    (c)

    Integrated circuits

    (d)

    Microprocessors

  2. Which of the following is not a first generation computers?

    (a)

    ENIAC

    (b)

    EDVAC

    (c)

    UNIVAC 1

    (d)

    IBM1401

  3. Robotics develop in_____ generation.

    (a)

    Third

    (b)

    Fourth

    (c)

    Fifth

    (d)

    Sixth

  4. Laser mouse has as many as ______ buttons.

    (a)

    10

    (b)

    11

    (c)

    12

    (d)

    3

  5. Which of the following are the computer systems inspired by the biological neural networks?

    (a)

    NLP

    (b)

    IBM

    (c)

    Robotics

    (d)

    ANN

  6. NOR is a combination of?

    (a)

    NOT(OR)

    (b)

    NOT(AND)

    (c)

    NOT(NOT)

    (d)

    NOT(NOR)

  7. The singular form of data is...........

    (a)

    Record

    (b)

    File

    (c)

    Datum

    (d)

    Values

  8. 102 + 102 =......

    (a)

    1002

    (b)

    202

    (c)

    1102

    (d)

    102

  9. The fundamental logic are.....

    (a)

    five

    (b)

    four

    (c)

    two

    (d)

    three

  10. Which bus in unidirectional?

    (a)

     Address bus

    (b)

    Control bus

    (c)

    Data bus

    (d)

     system bus

  11. The capacity of ordinary CD is .......

    (a)

    700 MB

    (b)

    700 GB

    (c)

    700 KB

    (d)

    700 TB

  12. Which of the following interface transfers the uncompressed video and audio data to a computer monitor?

    (a)

    DVD 

    (b)

    CD

    (c)

    HDMI

    (d)

    HDD

  13. ____________is an electronic (solid-state) non-volatile computer storage medium that can be electrically erased and reprogrammed.

    (a)

    main memory

    (b)

    flash memory

    (c)

    Blu-Ray disc

    (d)

    USB

  14. Which of the following refers to Android operating system's version?

    (a)

    JELLYBEAN

    (b)

    UBUNTU

    (c)

    OS/2

    (d)

    MITTIKA

    (e)

    None of the above

  15. If C is false just before the loop, the control flows through
    1 SI
    2 while C
    3 S2
    4 S3

    (a)

    S1 ; S3

    (b)

    S 1 ; S2 ; S3

    (c)

    S 1 ; S2 ; S2 ; S3

    (d)

    S 1 ; S2 ; S2 ; S2 ; S3

  16. 6 x 2 = 12
  17. Differentiate Input unit and Output unit.

  18. Write the 1's complement number and 2's complement number for the following decimal number: 46

  19. Which source is used to erase the content of a EPROM?

  20. What is the use of ports?

  21. List out different distributions of Linux operating system.

  22. Initially, farmer, goat, grass, wolf = L, L, L,.L and the farmer crosses the river with goat. Model the action with an assignment statement:

  23. 6 x 3 = 18
  24. Write the three main units of microprocessor.

  25. Explain Time sharing scheduling or priority scheduling.

  26. Write a short note on Interactive OS.

  27. Are drives such as hard drive and floppy drives represented with drive letters?

  28. What is OS?

  29. What is the difference between assignment operator and equality operator?

  30. 5 x 5 = 25
  31. Write the procedure to convert fractional Decimal to Binary 

  32. Explain the octal to decimal conversion and hexadecimal to decimal conversion.

  33. Write six uses of operating system.

  34. Explain the versions of Windows Operating System.

  35. Customers are waiting in a line at a counter. The man at the counter wants to know how many customers are waiting in the line.

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