Discussion
Home ‣ Digital Electronics ‣ Digital Design Comments
- Question
The input levels to a flip-flop must be maintained for a minimum time period both before and after the edge of the clock signal is applied.
Options- A. True
- B. False
- Correct Answer
- True
- 1. The 7805 will get very hot if your circuit draws more than 0.5 A.
Options- A. True
- B. False Discuss
- 2. There is no way to eliminate the effects of a switch bounce.
Options- A. True
- B. False Discuss
- 3. A transfer function graph illustrates the most important specifications for the Schmitt trigger devices.
Options- A. True
- B. False Discuss
- 4. The term race condition describes the time that an active signal must be present at the input to a flip-flop before an active clock edge is applied.
Options- A. True
- B. False Discuss
- 5. The output of a phototransister is determined by the presence or absence of light at its base input.
Options- A. True
- B. False Discuss
- 6. The bistable multivibrator is an R-C flip-flop.
Options- A. True
- B. False Discuss
- 7. A single Schmitt trigger inverter is all that is needed to build a simple astable multivibrator.
Options- A. True
- B. False Discuss
- 8. In the 74121, which is nonretriggerable, any triggers that come in before the end of the timing cycle are ignored.
Options- A. True
- B. False Discuss
- 9. When extremely critical timing is required, a quartz crystal can be used.
Options- A. True
- B. False Discuss
- 10. A comparator simply outputs a HIGH or LOW based on a comparison of the voltage levels at its input.
Options- A. True
- B. False Discuss
Digital Design problems
Search Results
Correct Answer: True
Correct Answer: False
Correct Answer: True
Correct Answer: False
Correct Answer: True
Correct Answer: False
Correct Answer: False
Correct Answer: True
Correct Answer: True
Correct Answer: True
Comments
There are no comments.More in Digital Electronics:
Programming
Copyright ©CuriousTab. All rights reserved.