Term 1 Model Question Paper

11th Standard

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Computer Science

Time : 02:00:00 Hrs
Total Marks : 60
    8 x 1 = 8
  1. Name the volatile memory _____

    (a)

    ROM

    (b)

    PROM

    (c)

    RAM

    (d)

    EPROM

  2. Expand POST

    (a)

    Post on self Test

    (b)

    Power on Software Test

    (c)

    Power on Self Test

    (d)

    Power on Self Text

  3. Expansion for ASCII

    (a)

    American School Code for Information Interchange

    (b)

    American Standard Code for Information Interchange

    (c)

    All Standard Code for Information Interchange

    (d)

    American Society Code for Information Interchange

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

    (a)

    blocks

    (b)

    sectors

    (c)

    pits

    (d)

    tracks

  5. File Management manages_______

    (a)

    Files

    (b)

    Folders

    (c)

    Directory systems

    (d)

    All the Above

  6. Which is the default browser for Ubuntu?

    (a)

    Firefox

    (b)

    Internet Explorer

    (c)

    Chrome

    (d)

    Thunderbird

  7. 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

  8. Which of the following is not an invariant of the assignment? m, n := m2+, n3+

    (a)

    m mod2

    (b)

    n mod3

    (c)

    3 X m - 2 X n

    (d)

    2 X m - 3 X n

  9. 7 x 2 = 14
  10. Distinguish between data and information?

  11. List the encoding systems for characters it memory?

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

  13. What is the multi-user Operating system?

  14. What is Open Source?

  15. Why is function an abstraction?

  16. Define a loop invariant.

  17. 6 x 3 = 18
  18. Differentiate optical and Laser mouse.

  19. Convert (150)10 into Binary, then convert that Binary number to Octal.

  20. Differentiate PROM and EPROM

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

  22. Write the specific use of Cortana.

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

  24. 4 x 5 = 20
  25. Explain the following:
    a. Inkjet Printer
    b. Multimedia projector
    c. Bar code / QR code Reader

  26. Convert (98.46)10 to bianary

  27. Explain the characteristics of a microprocessor.

  28. Explain advantages and disadvantages of open source operating systems.

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