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ECE :: Microprocessors

  1. Which of the following is a valid integer variable in Fortran 77?

  2. A.
    KM
    B.
    K M - 1
    C.
    DELHI
    D.
    $ 318

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  3. 8255 A has three 8 bit ports A, B, C for peripheral data transfer. For programming 8255 A, these ports are grouped as

  4. A.
    Port A with Port B
    B.
    Port A with 4 most significant ports of C, port B with 4 least significant ports of C
    C.
    Port A with Port C
    D.
    none of the above

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  5. 'WRITE' is a

  6. A.
    Word processor
    B.
    Line editor
    C.
    Text editor
    D.
    Column editor

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  7. The number of key words in C is

  8. A.
    4
    B.
    8
    C.
    16
    D.
    32

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  9. In which of the following 8085 instructions no condition flags are affected?

  10. A.
    INX rp
    B.
    INR r
    C.
    SBI data
    D.
    INR M

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  11. Assertion (A): In register indirect addressing mode of 8085, the address of operand is in the specified register.

    Reason (R): An example of register indirect addressing mode is MOV, A, M..

  12. 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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  13. A high level language is less efficient than machine language.

  14. A.
    True
    B.
    False

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  15. In the dimension statement DIMENSION A (50, 50), K (100, 100) the total number of locations reserved will be

  16. A.
    2500
    B.
    100000
    C.
    125000
    D.
    250000

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  17. If I = J = K = 13, then in Fortran 1 = 10 - (1 / 10) * 10 + (J / 5) * 4 + K ** (- 2) is equal to

  18. A.
    8
    B.
    7
    C.
    6
    D.
    5

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  19. The first row of the window is called ' Title bar '.

  20. A.
    True
    B.
    False

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