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- Question
In a 74192 BCD decade up-/down-counter, the terminal count up and the terminal count down are active-LOW.
Options- A. True
- B. False
- Correct Answer
- True
- 1. The terminal count of a typical modulus-10 binary counter is 1010.
Options- A. True
- B. False Discuss
- 2. Most sequential circuits contain a combinational logic section and a memory section.
Options- A. True
- B. False Discuss
- 3. Dependency notation is no longer used.
Options- A. True
- B. False Discuss
- 4. A reliable method for eliminating decoder spikes is to use strobing.
Options- A. True
- B. False Discuss
- 5. In a full-featured counter in HDL, the concept of rolling over simply means the count sequence has reached its limit and must start over at the beginning of the sequence.
Options- A. True
- B. False Discuss
- 6. When implementing a complete system application using IC counter chips, output devices such as LED indicators must be configured to operate from the counter outputs.
Options- A. True
- B. False Discuss
- 7. Generally speaking, the synchronous counter requires more circuitry than an asynchronous counter.
Options- A. True
- B. False Discuss
- 8. In many cases, counters must be strobed in order to eliminate glitches.
Options- A. True
- B. False Discuss
- 9. The 7447 has a 4-bit BCD input, seven individual active-LOW outputs, and a ripple blanking input and output.
Options- A. True
- B. False Discuss
- 10. Asynchronous counters are known as modulus counters.
Options- A. True
- B. False Discuss
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