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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. If X = 2.5 and Y = 2.5, which of the following expressions would give the result as 5/7?

    2. A.
    X + 2.5 / Y + 3.0
    B.
    (X + 2.5) / Y + 4.5
    C.
    (X + 2.5) / (Y + 4.5)
    D.
    (X + 2.5) / Y + 3.5

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  2. Which of the following is not a classification of programmed data transfer?

    3. A.
    Synchronous transfer
    B.
    Hand shaking
    C.
    Interrupt driver transfer
    D.
    Direct transfer

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  3. Consider the instructions

    1. MOV M, B
    2. OUT 4
    3. LDA X
    Which of the above uses IO/W cycle?

    4. A.
    1 only
    B.
    1 and 2 only
    C.
    2 only
    D.
    3 only

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  4. One can format a disc using window explorer.

    5. A.
    True
    B.
    False

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  5. Which of the following identifiers is valid in Pascal?

    6. A.
    THETA
    B.
    NUM
    C.
    1 ST
    D.
    $ BETA

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  6. DMA stands for direct memory access.

    7. A.
    True
    B.
    False

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  7. - 56 is not a valid real constant in Fortran.

    8. A.
    True
    B.
    False

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  8. For the infix expression (A/B) * (C * F + (A - D) * E) the corresponding Post fix notation is

    9. A.
    A / D * CF AD - F * +
    B.
    AB / CF * AD - E * + *
    C.
    AB / C * FAD - E * + *
    D.
    None of the above

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  9. A PC has typically

    10. A.
    5 to 10 KB of main memory
    B.
    10 to 100 KB of main memory
    C.
    100 to 256 KB of main memory
    D.
    256 KB to 1 MB of main memory

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  10. Which of the following is true?

    11. A.
    Intel 8080 was the ancestor of Intel 8085
    B.
    Intel 8080 was the ancestor of Intel Z 80
    C.
    Intel 8080 was the ancestor of both Intel 8085 and Z 80
    D.
    Intel 8085 was the ancestor of Intel 8085

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