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CSE :: Digital Computer Electronics

  1. The XOR gates are ideal for testing parity because even-parity words produce a _____ output and odd-parity words produce a _____ output

  2. A.
    low, high
    B.
    high, low
    C.
    odd, even
    D.
    even, odd
    E.
    None of the above

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  3. Which of the following is not true?

  4. A.
    0X0 = 0
    B.
    0 x 1 = 1
    C.
    1 x 0 = 0
    D.
    1 x 1 = 1
    E.
    None of the above

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  5. _____ has become the most widely used bipolar family.

  6. A.
    DTL
    B.
    TTL
    C.
    ECL
    D.
    MOS
    E.
    None of the above

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  7. The functional capacity of SSI devices is

  8. A.
    1 to 11 gates
    B.
    12 to 99 gates
    C.
    100 to 10,000 gates
    D.
    more than 10,000 gates
    E.
    None of the above

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  9. The master slave JK flip-flop is effectively a combination of

  10. A.
    an SR flip-flop and a T flip-flop
    B.
    an SR flip-flop and a D flip-flop
    C.
    a T flip-flop and a D flip-flop
    D.
    two T flip-flops
    E.
    None of the above

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  11. Conversion of 10110112 to it's decimal equivalent is

  12. A.
    8110
    B.
    9110
    C.
    10010
    D.
    20010
    E.
    None of the above

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  13. The octal equivalent of decimal 324.987 is

  14. A.
    504.771
    B.
    640.781
    C.
    815.234
    D.
    90.987
    E.
    None of the above

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  15. One way to simplify the sum-of-products equation is to use boolean algebra. Another way is the _____ map.

  16. A.
    De Morgan
    B.
    Standard
    C.
    Schottky
    D.
    Karnaugh
    E.
    None of the above

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  17. With a JK master-slave flip-flop the master is cocked when the clock is _____ and the slave is triggered when the clock is _____

  18. A.
    set, reset
    B.
    race, no change
    C.
    high, low
    D.
    set, race
    E.
    None of the above

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  19. The 7400 series, also called standard TTL, contains a variety of SSI and _____ chips that allow us to build all kinds of digital circuits and systems.

  20. A.
    LSI
    B.
    MSI
    C.
    MOS
    D.
    MOSFET
    E.
    None of the above

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