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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 primitive string operations in 8086 is

    2. A.
    3
    B.
    4
    C.
    5
    D.
    6

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  2. If the resolution of a printer is 1200 dpi, the number of dots per square inch is

    3. A.
    1200
    B.
    800
    C.
    1200 x 1200
    D.
    either (a) or (b)

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  3. Which of these are 16 bit microprocessors?

    4. A.
    80286
    B.
    MC68000
    C.
    Z8000
    D.
    All

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  4. For 8 bit representation the minimum positive and minimum negative numbers are

    5. A.
    2-128 each
    B.
    2-28 and 2-127
    C.
    2-127 and 2-128
    D.
    2-127each

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  5. In which of the following 8085 instructions are all condition flags except CY affected?

    6. A.
    INR r
    B.
    SEE M
    C.
    ACI data
    D.
    ADC r

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  6. One T state is precisely equal to one clock period.

    7. A.
    True
    B.
    False

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  7. Assertion (A): A good algorithm should be fast, require minimal computer memory and time.

    Reason (R): Many times an algorithm is prepared in the form of a flow chart.

    8. A.
    Both A and R are correct and R is correct explanation of A
    B.
    Both A and R are correct but R is not correct explanation of A
    C.
    A is correct R is wrong
    D.
    A is wrong R is correct

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  8. Programs like compilers, assemblers etc. are stored in a mircocomputer in

    9. A.
    registers
    B.
    cache memory
    C.
    primary memory
    D.
    mass storage

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  9. When performing numerical calculations in floating point arithmetic

    1. Error may occur due to finite representation of numbers.
    2. Error may occur due to rounding.
    3. Error may occur due to finite representation of inherently infinite process.
    Which of the above are correct?

    10. A.
    All
    B.
    1 and 2 only
    C.
    1 and 3 only
    D.
    2 and 3 only

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  10. The number of registers and flags in 8086 are

    11. A.
    13 and 5 respectively
    B.
    9 and 5 respectively
    C.
    13 and 9 respectively
    D.
    9 and 9 respectively

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