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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. The number of computer viruses is some thousands.

    2. A.
    True
    B.
    False

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  2. If 8085 is required to add two 32 bit numbers, the numbers of addition sequences is

    3. A.
    1
    B.
    2
    C.
    4
    D.
    8

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  3. Incompatibility between memory and I/O device may be due to

    4. A.
    timing according to which data transfer is to take place
    B.
    electrical characteristics of the two devices
    C.
    format of data transfer
    D.
    all of the above

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  4. When the mains supply is switched off the contents of primary computer memory are lost.

    5. A.
    True
    B.
    False

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  5. 8255 A is a

    6. A.
    programmable peripheral interface
    B.
    I/O device
    C.
    memory chip
    D.
    none of the above

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  6. The length of character constant P . b b . E . b C . is

    7. A.
    9
    B.
    6
    C.
    10
    D.
    7

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  7. ALE stands for

    8. A.
    Address Latch Enable
    B.
    Accumulator Latch Enter
    C.
    Address Latch Enter
    D.
    Accumulator Latch Enable

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  8. The standard FORTRAN exponential form of decimal number 0.0000437 is

    9. A.
    4.37 E - 5
    B.
    4.37 E - 4
    C.
    43.7 E - 5
    D.
    43.7 E - 4

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  9. In FORTRAN 77 FLOAT (-28) gives the value

    10. A.
    28
    B.
    -28
    C.
    -28.0
    D.
    none of the above

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  10. Fortran 77, C and Pascal are high level languages.

    11. A.
    True
    B.
    False

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