Flip-Flops problems
- 1. A flip-flop's normal starting state when power is first applied to a circuit is always the SET state.
Options- A. True
- B. False Discuss
Correct Answer: False
- 2. Multivibrators must be level-triggered.
Options- A. True
- B. False Discuss
Correct Answer: False
- 3. Simple gate circuits, combinational logic, and transparent S-R flip-flops are synchronous.
Options- A. True
- B. False Discuss
Correct Answer: False
- 4. The 555 timer can be used in either the astable or monostable modes.
Options- A. True
- B. False Discuss
Correct Answer: True
- 5. The Q output of a flip-flop is normally HIGH when the device is in the "CLEAR" or "RESET" state.
Options- A. True
- B. False Discuss
Correct Answer: False
- 6. The S-R flip-flop has no invalid or unused state.
Options- A. True
- B. False Discuss
Correct Answer: False
- 7. A one-shot circuit is also known as a timer.
Options- A. True
- B. False Discuss
Correct Answer: False
- 8. Generally, a flip-flop's hold time is short enough so that its output will go to a state determined by the logic levels present at its synchronous control inputs just prior to the active clock transition.
Options- A. True
- B. False Discuss
Correct Answer: True
- 9. Inputs that cause the output of a flip-flop to change instantaneously are asynchronous.
Options- A. True
- B. False Discuss
Correct Answer: True
- 10. When the output of the NOR gate S-R flip-flop is
and 
, the inputs are 
.
Options- A. True
- B. False Discuss
Correct Answer: False
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