Digital Concepts problems
- 1. A full subtracter circuit requires ________.
Options- A. two inputs and two outputs
- B. two inputs and three outputs
- C. three inputs and one output
- D. three inputs and two outputs Discuss
Correct Answer: three inputs and two outputs
- 2. A demultiplexer has ________.
Options- A. one data input and a number of selection inputs, and they have several outputs
- B. one input and one output
- C. several inputs and several outputs
- D. several inputs and one output Discuss
Correct Answer: one data input and a number of selection inputs, and they have several outputs
- 3. What has happened to the advances in digital technologies over the past three decades?
Options- A. Slowed down considerably
- B. Continued to increase, but at a decreasing rate
- C. Made excellent progress
- D. Nothing short of phenomenal Discuss
Correct Answer: Nothing short of phenomenal
- 4. How many unique symbols are used in the decimal number system?
Options- A. One
- B. Nine
- C. Ten
- D. Unlimited Discuss
Correct Answer: Ten
- 5. The voltage levels used to represent binary values (0 and 1) in a digital system are nearly equal in value.
Options- A. True
- B. False Discuss
Correct Answer: False
- 6. Transistor-transistor logic (TTL) uses the bipolar transistor as its main circuit element.
Options- A. True
- B. False Discuss
Correct Answer: True
- 7. A graph of phase vs. time is a timing diagram.
Options- A. True
- B. False Discuss
Correct Answer: False
- 8. One advantage of analog circuits over digital circuits is that it's easier to store data.
Options- A. True
- B. False Discuss
Correct Answer: False
- 9. The two binary digits are 1 and 2.
Options- A. True
- B. False Discuss
Correct Answer: False
- 10. Memory devices store binary data.
Options- A. True
- B. False Discuss
Correct Answer: True
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