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Home ‣ Digital Electronics ‣ Logic Gates See What Others Are Saying!
- Question
Which of the following logical operations is represented by the + sign in Boolean algebra?
Options- A. inversion
- B. AND
- C. OR
- D. complementation
- Correct Answer
- OR
- 1. How many flip-flops are in the 7475 IC?
Options- A. 1
- B. 2
- C. 4
- D. 8 Discuss
- 2. Which of the following logical operations is represented by the + sign in Boolean algebra?
Options- A. inversion
- B. AND
- C. OR
- D. complementation Discuss
- 3. Which of the following logic families has the shortest propagation delay?
Options- A. S-TTL
- B. AS-TTL
- C. HS-TTL
- D. HCMOS Discuss
- 4. Convert decimal 213 to binary.
Options- A. 11001101
- B. 11010101
- C. 01111001
- D. 11100011 Discuss
- 5. Telecommunications systems do not use digital techniques.
Options- A. True
- B. False Discuss
- 6. Many digital electronic systems work in hexadecimal instead of binary.
Options- A. True
- B. False Discuss
- 7. The fastest analog-to-digital converter is the ________.
Options- A. counter ADC
- B. successive-approximation ADC
- C. dual slope ADC
- D. parallel ADC Discuss
- 8. The I/O port that does not have a dual-purpose role is:
Options- A. port 0
- B. port 1
- C. port 2
- D. port 3 Discuss
- 9. How many data bits can be stored in the register shown below?
Options- A. 5
- B. 32
- C. 31
- D. 4 Discuss
- 10. The output of an AND gate is HIGH when any input is HIGH.
Options- A. True
- B. False Discuss
More questions
Correct Answer: 4
Correct Answer: OR
Correct Answer: AS-TTL
Correct Answer: 11010101
Correct Answer: False
Correct Answer: False
Correct Answer: parallel ADC
Correct Answer: port 1
Correct Answer: 5
Correct Answer: False
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