Discussion
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- Question
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
- Correct Answer
- one data input and a number of selection inputs, and they have several outputs
- 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
- 2. A type of digital circuit technology that uses bipolar junction transistors is ________.
Options- A. TTL
- B. CMOS
- C. LSI
- D. NMOS Discuss
- 3. Convert the fractional decimal number 6.75 to binary.
Options- A. 0111.1100
- B. 0110.1010
- C. 0110.1100
- D. 0110.0110 Discuss
- 4. Convert the fractional binary number 0000.1010 to decimal.
Options- A. 0.625
- B. 0.50
- C. 0.55
- D. 0.10 Discuss
- 5. What is the typical invalid voltage for a binary signal?
Options- A. 0.7?2.8 volts
- B. 0.8?3 volts
- C. 0.8?2 volts
- D. 0.7?2.5 volts Discuss
- 6. 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
- 7. How many unique symbols are used in the decimal number system?
Options- A. One
- B. Nine
- C. Ten
- D. Unlimited Discuss
- 8. With regard to an AND gate, which statement is true?
Options- A. An AND gate has two inputs and one output.
- B. An AND gate has two or more inputs and two outputs.
- C. If one input to a 2-input AND gate is HIGH, the output reflects the other input.
- D. A 2-input AND gate has eight input possibilities. Discuss
- 9. Logically, the output of a NOR gate would have the same Boolean expression as a(n):
Options- A. NAND gate immediately followed by an inverter
- B. OR gate immediately followed by an inverter
- C. AND gate immediately followed by an inverter
- D. NOR gate immediately followed by an inverter Discuss
- 10. Which of the following equations would accurately describe a four-input OR gate when A = 1, B = 1, C = 0, and D = 0?
Options- A. 1 + 1 + 0 + 0 = 01
- B. 1 + 1 + 0 + 0 = 1
- C. 1 + 1 + 0 + 0 = 0
- D. 1 + 1 + 0 + 0 = 00 Discuss
Digital Concepts problems
Search Results
Correct Answer: three inputs and two outputs
Correct Answer: TTL
Correct Answer: 0110.1100
Correct Answer: 0.625
Correct Answer: 0.8?2 volts
Correct Answer: Nothing short of phenomenal
Correct Answer: Ten
Correct Answer: If one input to a 2-input AND gate is HIGH, the output reflects the other input.
Correct Answer: OR gate immediately followed by an inverter
Correct Answer: 1 + 1 + 0 + 0 = 1
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