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Home ‣ Digital Electronics ‣ Flip-Flops Comments
  • Question

  • Edge-triggered flip-flops can be identified by the triangle on the clock input.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Flip-Flops problems

    Search Results

    • 1. PRESET and CLEAR inputs are normally synchronous.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. In VHDL, each instance of a component is given a name followed by a semicolon and the name of the library primitive.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. When using edge-triggered flip-flops, the data is entered into the flip-flop on the leading edge of the clock, but the output does not change until the trailing edge of the clock.

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

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

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. A J-K flip-flop and associated waveforms are shown below. The circuit is operating properly.


    • Options
    • A. True
    • B. False
      • Discuss
    • 7. A D-type latch is able to change states and "follow" the D input regardless of the level of the ENABLE input.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. A negative edge-triggered flip-flop will accept inputs only when the clock is LOW.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. Latches are tristate devices whose state normally depends on asynchronous inputs.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The term CLEAR always means that .

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

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