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ECE :: Microprocessors

  1. Computer virus can hide itself in a diskette but not in a hard disk.

  2. A.
    True
    B.
    False

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  3. The size of cache memory in most microcomputers is about

  4. A.
    a few bytes
    B.
    a few kilobytes
    C.
    a few megabytes
    D.
    a few gigabytes

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  5. Which of the following computer memories is fastest?

  6. A.
    Cache
    B.
    Primary
    C.
    Mass storage
    D.
    Off line back up

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  7. During processing the instructions, data, intermediate results and final results in a computer are held in

  8. A.
    CPU
    B.
    ALU
    C.
    Primary memory
    D.
    Secondary memory

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  9. Which of the following is not a valid variable name in C?

  10. A.
    p o, t
    B.
    p o t
    C.
    po_t
    D.
    p_ot

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  11. Z flag is reset if an ALU operation results in 0.

  12. A.
    True
    B.
    False

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  13. The power requirements of a DRAM in active and stand by modes is about

  14. A.
    350 mW and 5 mW respectively
    B.
    350 mW each
    C.
    5 mW each
    D.
    350 mW and 100 mW respectively

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  15. Which of the following is not a valid real constant in C?

  16. A.
    1.2 e 2.0
    B.
    -2.3 e - 2
    C.
    -2.3 E 2
    D.
    -2.3 e 2

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  17. In a computer the instructions, data, intermediate and final results during processing are held in ALU.

  18. A.
    True
    B.
    False

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  19. The number of storage classes in C is

  20. A.
    2
    B.
    3
    C.
    4
    D.
    6

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