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ECE :: Microprocessors

  1. As compared to operating current, the current drawn by a memory chip in stand by mode is

  2. A.
    about the same
    B.
    about one-eighth
    C.
    about 1 / 64
    D.
    about 1 / 500

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  3. Which characteristic of a memory chip is called ac characteristics?

  4. A.
    Power consumption
    B.
    Bus loading
    C.
    Timing characteristic
    D.
    All of the above

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  5. Which of the following alphanumeric characters is not allowed in Basic?

  6. A.
    capital letters A to Z
    B.
    lower case letters a to z
    C.
    digits 0 to 9
    D.
    special characters +, -, *, / etc

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  7. A machine cycle has one clock cycle.

  8. A.
    True
    B.
    False

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  9. Which is not a valid dimension statement?

  10. A.
    DIMENSION KAT(10, 20)
    B.
    DIMENSION BAT (30, 20)
    C.
    DIMENSION KAT(K, 10)
    D.
    DIMENSION BAT (10, 5)

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  11. For Disk partitioning th DOS command is

  12. A.
    F DISK
    B.
    H DISK
    C.
    A DISK
    D.
    D DISK

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  13. In 8085 the instruction MOV A, M is an example of

  14. A.
    Direct addressing
    B.
    Immediate addressing
    C.
    Register addressing
    D.
    Register indirect addressing

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  15. Assertion (A): Magnetic tape can be accessed only sequentially.

    Reason (R): Magnetic tape consists of magnetised spots or tracks.

  16. A.
    Both A and R are correct and R is correct explanation of A
    B.
    Both A and R are correct but R is not correct explanation of A
    C.
    A is correct R is wrong
    D.
    A is wrong R is correct

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  17. Assertion (A): Most PCs use static RAM for main memory.

    Reason (R): Static RAM is faster than dynamic RAM.

  18. A.
    Both A and R are correct and R is correct explanation of A
    B.
    Both A and R are correct but R is not correct explanation of A
    C.
    A is correct R is wrong
    D.
    A is wrong R is correct

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  19. Consider the following statements

    1. A 33 MHz 486 has higher MIPS than 33 MHz 386.
    2. A 33 MHz 486 has higher MFLOPS than 33 MHz 386 of these statements.

  20. A.
    Both are true
    B.
    Both are false
    C.
    1 is true and 2 is false
    D.
    1 is false and 2 is true

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