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ECE :: Microprocessors

  1. Which of the following can be accessed only sequentially?

  2. A.
    Floppy disk
    B.
    Hard disk
    C.
    Magnetic tape
    D.
    ROM

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  3. MICR stands for

  4. A.
    Magnetic Ink Chart Receipt
    B.
    Magnetic Ink Character Recognition
    C.
    Magnetic Ink Chart Recognition
    D.
    Magnetic Ink Character Receipt

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  5. 8085 has 6 sign flags.

  6. A.
    True
    B.
    False

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  7. JCOKE = 3
    JCOKE = JCOKE + 1
    GO TO (5, 8, 9, 11, 15, 16 18, 20) JCOKE.


    After the execution of above statement, the control is transferred to statement number

  8. A.
    8
    B.
    11
    C.
    16
    D.
    20

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  9. Binary number 1101.101 is equivalent to decimal number?

  10. A.
    13.5
    B.
    13.75
    C.
    13.625
    D.
    13.875

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  11. Expression ++i is equivalent to

  12. A.
    i = i + 2
    B.
    i = i + 1
    C.
    i = i - 1
    D.
    i = i + i + i

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  13. To multiply a number by 8 in 8085 we have to use RAL instruction

  14. A.
    once
    B.
    twice
    C.
    thrice
    D.
    four times

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  15. IC (instruction cycle), FC (fetch cycle) and EC (executive cycle) are related as

  16. A.
    IC = FC - EC
    B.
    IC = FC + EC
    C.
    IC = FC + 2EC
    D.
    EC = IC + EC

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  17. Which of the following is not a valid variable name in C?

  18. A.
    1 a
    B.
    a 1 2
    C.
    a b 123
    D.
    a b c 123

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  19. When .4546 E 5 and .5433 E 7 are to be added in normalized floating point mode

  20. A.
    none of the numbers is changed to any other form
    B.
    .4546 E 5 is changed .004546 E 7 and .5433 E 7 is not changed
    C.
    .5433 E 7 is changed to 54.33 E 5 and .4546 E 5 is not changed
    D.
    both the numbers are changed and their exponents are made equal to 6

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