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- Question
The 7805 will get very hot if your circuit draws more than 0.5 A.
Options- A. True
- B. False
- Correct Answer
- True
- 1. There is no way to eliminate the effects of a switch bounce.
Options- A. True
- B. False Discuss
- 2. A transfer function graph illustrates the most important specifications for the Schmitt trigger devices.
Options- A. True
- B. False Discuss
- 3. 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
- 4. The output of a phototransister is determined by the presence or absence of light at its base input.
Options- A. True
- B. False Discuss
- 5. Pull-up resistors and pull-down resistors are used to keep a floating terminal HIGH.
Options- A. True
- B. False Discuss
- 6. 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 Discuss
- 7. The bistable multivibrator is an R-C flip-flop.
Options- A. True
- B. False Discuss
- 8. A single Schmitt trigger inverter is all that is needed to build a simple astable multivibrator.
Options- A. True
- B. False Discuss
- 9. 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
- 10. When extremely critical timing is required, a quartz crystal can be used.
Options- A. True
- B. False Discuss
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