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ECE :: Microprocessors

Microprocessors - Section 1
Microprocessors - Section 2
Microprocessors - Section 3
Microprocessors - Section 4
Microprocessors - Section 5
Microprocessors - Section 6
Microprocessors - Section 7
Microprocessors - Section 8
Microprocessors - Section 9
Microprocessors - Section 10
Microprocessors - Section 11
Microprocessors - Section 12
Microprocessors - Section-13

  1. Which of the following expressions is invalid in Fortran?

    2. A.
    IA + IB
    B.
    IB * IC / ID
    C.
    IA * B
    D.
    - K * I + J

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  2. Which of the following is correct in FORTRAN 77?

    3. A.
    PARAMETER PMOS = 9.8, NMOS = X
    B.
    PARAMETER (PMOS = 9.8, NMOS = X)
    C.
    PARAMETER PMOS = 9.8, NMOS = X
    D.
    PARAMETER PMOS, NMOS = 9.8, X

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  3. P flag is for parity.

    4. A.
    True
    B.
    False

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  4. In 8086 the number of lines on which data and address is multiplexed is

    5. A.
    8
    B.
    16
    C.
    20
    D.
    32

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  5. Simpson's rule for numerical integration is

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  6. Which of the following has unique representation of 0?

    7. A.
    sign magnitude
    B.
    1's complement
    C.
    2's complement
    D.
    both (b) and (c)

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  7. Consider the following

    ON GO TO     statement in Basic
    35 ON A GO TO 15, 25, 35

    If the value of A is 2.6, the control will transfer to

    8. A.
    line 15
    B.
    line 25
    C.
    line 35
    D.
    any of the lines 15 or 25, 35

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  8. Which DOS command improves memory usage?

    9. A.
    MEM MAKER
    B.
    MOVE
    C.
    MEM IM
    D.
    None on the above

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  9. The chip 8254 is a 40 pin programmable interval timer. The number of its independent 16 bit counters is

    10. A.
    2
    B.
    3
    C.
    4
    D.
    5

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  10. A PC can be upgraded to a multimedia PC by adding CD ROM drive, sound card etc.

    11. A.
    True
    B.
    False

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