Home / CSE / Digital Computer Electronics :: Section 4

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

  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

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

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

  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

  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

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

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

  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

  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

  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

  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