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Home Digital Electronics Flip-Flops Comments

  • Question
  • Edge-triggered J-K flip-flops make it hard for design engineers to know when to accept input data.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 


  • Flip-Flops problems


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    • 1. Pulse-triggered flip-flops are identified by a bubble on the Q output terminal.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. VHDL does require a special designation for an output with a feedback.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. The 7475 is an example of an IC D latch (also called a bistable latch) that contains four transparent D latches.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. Most basic latches and flip-flops are available in IC packages of eight latches or flip-flops with a common clock.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. All multivibrators require feedback.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. The propagation delay time tPLH is measured from the triggering edge of the clock pulse to the LOW-to-HIGH transition of the output.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. A TOGGLE input to a J-K flip-flop causes the Q and outputs to switch to their opposite state.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. Pulse-triggered or level-triggered devices are the same.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. A latch can act as a contact-bounce eliminator.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. A one-shot is a special type of multivibrator that must be triggered to produce each output pulse.

    • Options
    • A. True
    • B. False
    • Discuss


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