Discussion
Home ‣ Digital Electronics ‣ MSI Logic Circuits See What Others Are Saying!
- Question
What is the purpose of a decoder's inputs?
Options- A. To allow the decoder to respond to the inputs to activate the correct output gate.
- B. To disable the decoder outputs so that all outputs will be inactive.
- C. To disable the inputs and activate all outputs.
- D. To allow the decoder to respond to the inputs to activate the correct output gate, and to disable the inputs and activate all outputs.
- Correct Answer
- To allow the decoder to respond to the inputs to activate the correct output gate, and to disable the inputs and activate all outputs.
- 1. A modulus-12 ring counter requires a minimum of ________.
Options- A. 10 flip-flops
- B. 12 flip-flops
- C. 6 flip-flops
- D. 2 flip-flops Discuss
- 2. Which is not characteristic of a shift register?
Options- A. Serial in/parallel in
- B. Serial in/parallel out
- C. Parallel in/serial out
- D. Parallel in/parallel out Discuss
- 3. The base of the hexadecimal system is:
Options- A. eight.
- B. sixteen.
- C. ten.
- D. two. Discuss
- 4. Hexadecimal is a base 4 numbering system.
Options- A. True
- B. False Discuss
- 5. How many inputs must a full-adder have?
Options- A. 2
- B. 3
- C. 4
- D. 5 Discuss
- 6. In a negative logic system, a high is represented by 0.
Options- A. True
- B. False Discuss
- 7. TTL requires a constant supply voltage of 8.0 V.
Options- A. True
- B. False Discuss
- 8. The ADC0804 has ________ resolution.
Options- A. 4-bit
- B. 8-bit
- C. 16-bit
- D. 32-bit Discuss
- 9. ________ is the highest-value seven-bit binary number.
Options- A. 128
- B. 127
- C. 126
- D. 125 Discuss
- 10. How many 1K × 4 RAM chips would be required to build a 1K × 8 memory system?
Options- A. 2
- B. 4
- C. 8
- D. 16 Discuss
More questions
Correct Answer: 12 flip-flops
Correct Answer: Serial in/parallel in
Correct Answer: sixteen.
Correct Answer: False
Correct Answer: 3
Correct Answer: True
Correct Answer: False
Correct Answer: 8-bit
Correct Answer: 127
Correct Answer: 2
Comments
There are no comments.More in Digital Electronics:
Programming
Copyright ©CuriousTab. All rights reserved.