Discussion
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- Question
Which of the following is a semiconductor memory?
Options- A. RAM
- B. MAR
- C. CD-ROM
- D. CD
- Correct Answer
- RAM
- 1. The output of an AND gate is LOW ________.
Options- A. all the time
- B. when any input is LOW
- C. when any input is HIGH
- D. when all inputs are HIGH Discuss
- 2. In the decimal numbering system, what is the MSD?
Options- A. The middle digit of a stream of numbers
- B. The digit to the right of the decimal point
- C. The last digit on the right
- D. The digit with the most weight Discuss
- 3. What is an analog-to-digital converter?
Options- A. It makes digital signals.
- B. It takes analog signals and puts them in digital format.
- C. It allows the use of digital signals in everyday life.
- D. It stores information on a CD. Discuss
- 4. In positive logic, ________.
Options- A. a HIGH = 1, a LOW = 0
- B. a LOW = 1, a HIGH = 0
- C. only HIGHs are present
- D. only LOWs are present Discuss
- 5. Which format can send several bits of information faster?
Options- A. Parallel
- B. Serial
- C. Both are the same
- D. Cannot tell Discuss
- 6. A periodic digital waveform has a pulse width (tw) of 6 ms and a period (T) of 18 ms. The duty cycle is ________.
Options- A. 3.3%
- B. 33.3%
- C. 6%
- D. 18% Discuss
- 7. Convert the fractional binary number 0001.0010 to decimal.
Options- A. 1.40
- B. 1.125
- C. 1.20
- D. 1.80 Discuss
- 8. PLCC packages have leads on ________.
Options- A. one side
- B. two sides
- C. three sides
- D. four sides Discuss
- 9. Digital signals transmitted on a single conductor (and a ground) must be transmitted in:
Options- A. slow speed.
- B. parallel.
- C. analog.
- D. serial. Discuss
- 10. A flip-flop has ________.
Options- A. one stable state
- B. no stable states
- C. two stable states
- D. none of the above Discuss
Digital Concepts problems
Search Results
Correct Answer: when any input is LOW
Correct Answer: The digit with the most weight
Correct Answer: It takes analog signals and puts them in digital format.
Correct Answer: a HIGH = 1, a LOW = 0
Correct Answer: Parallel
Correct Answer: 33.3%
Correct Answer: 1.125
Correct Answer: four sides
Correct Answer: serial.
Correct Answer: two stable states
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