Below are the answers key for the Multiple Choice Questions (MCQs) in Chapter 30: Basic Digital Principles from the book Teach Yourself Electricity and Electronics, 5th edition by Stan Gibilisco.
1. C. 10111.
2. A. 49.
3. D. 16.
4. D. 63.
5. C. + 4 V.
6. D. + 12 V.
7. A. There is not enough information to tell.
8. B. Low.
9. B. Low.
10. D. This logic statement makes no sense.
11. C. 16.
12. A. Serial.
13. D. Always 1.
14. A. Always 0.
15. C. The J-K always has predictable outputs.
16. C. The pulse level is going from low to high.
17. D. Set and reset.
18. A. The outputs stay as they are.
19. D. The resulting outputs can be absurd.
20. B. A divider.
