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ECE :: Microprocessors

  1. The chip 8257 is a

  2. A.
    programmable interrupt controller
    B.
    programmable DMA controller
    C.
    programmable peripheral interface
    D.
    none of the above

  3. Both ROM and RAM can be accessed randomly.

  4. A.
    True
    B.
    False

  5. Windows have a user friendly program called 'Front Page Express' for creating web pages.

  6. A.
    True
    B.
    False

  7. The number of pins in microprocessor 8086 is

  8. A.
    30
    B.
    40
    C.
    50
    D.
    60

  9. The input to ALU are the contents of accumulator and temporary register.

  10. A.
    True
    B.
    False

  11. In super computers the extra level of primary memory is generally called

  12. A.
    Solid state device
    B.
    Single stage device
    C.
    Digital state device
    D.
    Surface stage device

  13. Parity means the same as positive or negative number.

  14. A.
    True
    B.
    False

  15. In memory mapped I/O means that

  16. A.
    an input or output device is treated by the microprocessor as one memory location
    B.
    input or output devices are treated as distinct
    C.
    an address on the address bus may refer either to a memory location or to an I/O device
    D.
    none of the above

  17. Consider the following symbols for arithmetic operators for integers

    1. +
    2. div
    3. mod
    4. /
    Which of the above are used in Pascal?

  18. A.
    1, 2 and 4 only
    B.
    All
    C.
    1, 2, 3 only
    D.
    1 and 4 only

  19. Which of the following READ statements is correct in FORTRAN 77?

  20. A.
    READ *, HONEY (I), I = 1, 5
    B.
    READ *, (HONEY (I), I = 1, 5)
    C.
    READ * HONEY I, I = 1, 5
    D.
    READ HONEY I, I = 1, 5