Home / ECE / Microprocessors :: Section 12

ECE :: Microprocessors

  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

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

  4. 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

  5. P flag is for parity.

  6. A.
    True
    B.
    False

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

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

  9. Simpson's rule for numerical integration is


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

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

  12. 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

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

  14. Which DOS command improves memory usage?

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

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

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

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

  19. A.
    True
    B.
    False