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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

  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

  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

  7. A machine cycle has one clock cycle.

  8. A.
    True
    B.
    False

  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)

  11. For Disk partitioning th DOS command is

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

  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

  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

  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

  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