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Home ‣ Digital Electronics ‣ Flip-Flops See What Others Are Saying!
  • Question

  • The asynchronous inputs on a J-K flip-flop ________.


  • Options
  • A. are normally not at the active level at the same time
  • B. take precedence over the J and K inputs
  • C. do not require a clock pulse to affect the output
  • D. all of the above

  • Correct Answer
  • all of the above 

    • More questions

    • 1. Which of the following gates is described by the expression ?

    • Options
    • A. OR
    • B. AND
    • C. NOR
    • D. NAND
      • Discuss
    • 2. Precise timing is not important in digital signals.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. Asynchronous counters are known as modulus counters.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. PROMs are programmed by ________ fuses.

    • Options
    • A. zapping
    • B. blowing
    • C. charging
    • D. inputting
      • Discuss
    • 5. Binary multiplication is like decimal multiplication except you deal only with 1s and 0s.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. A glitch is a short pulse resulting in an undesired result in a digital circuit.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. Which of the following is not a computer bus?

    • Options
    • A. Data bus
    • B. Control bus
    • C. Timer bus
    • D. Address bus
      • Discuss
    • 8. A logic probe is used to test the pins of a 7411 IC with the following results. Is there a problem with the chip and if so, what is the problem?


    • Options
    • A. Pin 6 should be ON.
    • B. Pin 6 should be pulsing.
    • C. Pin 8 should be ON.
    • D. no problem
      • Discuss
    • 9. Cascade means to connect the Q output of one flip-flop to the clock input of the next.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. What is PROM?

    • Options
    • A. SPLD
    • B. QPLD
    • C. HPLD
    • D. PLD
      • Discuss

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