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Home ‣ Electronics ‣ Flip-Flops and Timers Comments
  • Question

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


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Flip-Flops and Timers problems

    Search Results

    • 1. When using master-slave 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
    • 2. Multivibrators must be level-triggered.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. A check of all power supply voltages should be made during the ________ method of troubleshooting.

    • Options
    • A. half-split
    • B. diagnosis
    • C. repair
    • D. final test
      • Discuss
    • 4. The results of internal IC failures will usually be noticed during the ______ phase of troubleshooting.

    • Options
    • A. diagnostic
    • B. isolation
    • C. repair
    • D. final test
      • Discuss
    • 5. The use of a logic probe may be improved through the use of a(n) ________.

    • Options
    • A. logic clip
    • B. frequency counter
    • C. oscilloscope
    • D. current tracer
      • Discuss
    • 6. Edge-triggered flip-flops can be identified by the triangle on the clock input.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The 555 timer can be used in either the bistable mode or the monostable mode.

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

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. A D-type flip-flop is constructed by connecting an inverter between the Set and Clock terminals.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. When the S and the R inputs are both HIGH the output of an S-R NOR latch will be unpredictable.

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

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