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Home ‣ Electronics ‣ Flip-Flops and Timers Comments
- Question
A one-shot is a special type of multivibrator, which must be triggered to produce each output pulse.
Options- A. True
- B. False
- Correct Answer
- True
- 1. The 555 timer can be used in either the bistable mode or the monostable mode.
Options- A. True
- B. False Discuss
- 2. Edge-triggered flip-flops can be identified by the triangle on the clock input.
Options- A. True
- B. False Discuss
- 3. Pulse-triggered flip-flops are identified by a bubble on the Q output terminal.
Options- A. True
- B. False Discuss
- 4. 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
- 5. Multivibrators must be level-triggered.
Options- A. True
- B. False Discuss
- 6. A D-type flip-flop is constructed by connecting an inverter between the Set and Clock terminals.
Options- A. True
- B. False Discuss
- 7. 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
- 8. J-K flip-flops are often used as switch debouncers.
Options- A. True
- B. False Discuss
- 9. The J-K flip-flop eliminates the RACE state when both the J and K inputs are HIGH.
Options- A. True
- B. False Discuss
- 10. Edge-triggered flip-flops must have _________.
Options- A. very fast response times
- B. at least two inputs to handle rising and falling edges
- C. a positive-transition pulse generator
- D. a negative-transition pulse generator Discuss
Flip-Flops and Timers problems
Search Results
Correct Answer: False
Correct Answer: True
Correct Answer: False
Correct Answer: True
Correct Answer: False
Correct Answer: False
Correct Answer: True
Correct Answer: False
Correct Answer: True
Correct Answer: a positive-transition pulse generator
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