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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. Consider the following program for 8085

    MVIA, 00H
    LXIH, OEAOFG
    V LDAZ ADI 0005H

     What does this program do?

    2. A.
    Adds decimal number 5 to contents of memory
    B.
    Subtracts decimal number 5 from contents of memory
    C.
    Subtracts decimal number 15 from contents of memory
    D.
    Adds decimal number 15 to contents of memory

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  2. The total number of pins in 8085 are

    3. A.
    20
    B.
    30
    C.
    40
    D.
    50

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  3. Which of the following statements are executable in FORTRAN 77?

    4. A.
    Arithmetic IF
    B.
    Assign
    C.
    Call
    D.
    All of the above

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  4. In static RAM 6264 the number of address inputs are

    5. A.
    10
    B.
    12
    C.
    13
    D.
    15

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  5. The function to Calculate the maximum value in the specified field of a database is

    6. A.
    DM
    B.
    DMAX
    C.
    MAX
    D.
    DBMAX

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  6. For most static RAM the maximum access time is about

    7. A.
    1 ns
    B.
    10 ns
    C.
    100 ns
    D.
    1 μs

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  7. In direct addressing mode of 8085

    8. A.
    All instructions are 3 bytes long
    B.
    All instructions are 3 bytes long except IN instruction which is 2 bytes long
    C.
    All instructions are 3 bytes long except IN and OUT instructions which are 2 bytes long
    D.
    All instructions are 2 bytes long

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  8. Which of the following is a valid real variable in FORTRAN 77?

    9. A.
    IT
    B.
    GURGAON
    C.
    6 JUNE
    D.
    SUNDAY

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  9. To realize the full power of 8086 the pin of 8086 connected to ground is

    10. A.
    DEN
    B.
    ALE
    C.
    INTR
    D.
    MN / MX

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  10. Which of the following is not an assembler directive in 8085?

    11. A.
    D S
    B.
    D B
    C.
    D Q
    D.
    E Q U

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