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Microprocessors - Section 3
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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. Which of the following is a valid variable in FORTRAN 77?

    2. A.
    3 A
    B.
    ALPHA -3
    C.
    ALPHA 3
    D.
    BALPHAC

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  2. In Pascal an array declaration provides information to the Pascal processor to enable it to

    3. A.
    identify the variable as an array name
    B.
    reserve memory locations to store all the components of array
    C.
    check the values computed for subscripts expressions during program execution with the specified lower and upper limits of subscripts
    D.
    all of the above

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  3. In which of the following instructions of 8085 are the contents of accumulator complemented?

    4. A.
    STC
    B.
    CMC
    C.
    CMA
    D.
    RAL

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  4. Assertion (A): Microprocessors 8086 and 8088 are very similar in organisation and have identical instruction sets.

    Reason (R): If clock speed is same the execution time of 8088 and 8086 are exactly equal.

    5. 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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  5. In which of the following logical group instructions of 8085 is the addressing mode 'immediate'?

    6. A.
    ANA r
    B.
    ANA M
    C.
    ANI data
    D.
    XRA r

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  6. Which of the following is a valid real constant in FORTRAN 77?

    7. A.
    1.2 E 231
    B.
    3 E - 2
    C.
    -3.2 E 2.3
    D.
    1.2 E 23

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  7. Mouse is a very suitable input device for computers.

    8. A.
    True
    B.
    False

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  8. Which of the following instructions have only one operand?

    9. A.
    Multiply
    B.
    Add
    C.
    Shift
    D.
    Subtract

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  9. Which of the following is not a keyword in C?

    10. A.
    int
    B.
    float
    C.
    return
    D.
    capital

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  10. 'Rotate instruction' in microprocessor belongs to

    11. A.
    data transfer group
    B.
    arithmetic group
    C.
    logic group
    D.
    branch group

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