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- Question
A 4-variable AND-OR circuit produces a 0 at its Y output. Which combination of inputs is correct?
Options- A. A = 0, B = 0, C = 1, D = 1
- B. A = 1, B = 1, C = 0, D = 0
- C. A = 1, B = 1, C = 1, D = 1
- D. A = 1, B = 0, C = 1, D = 0
- Correct Answer
- A = 1, B = 0, C = 1, D = 0
- 1. On a positive edge-triggered S-R flip-flop, the outputs reflect the input condition when ________.
Options- A. the clock pulse is LOW
- B. the clock pulse is HIGH
- C. the clock pulse transitions from LOW to HIGH
- D. the clock pulse transitions from HIGH to LOW Discuss
- 2. The inputs/outputs of an analog multiplexer/demultiplexer are:
Options- A. bidirectional
- B. unidirectional
- C. even parity
- D. binary-coded decimal Discuss
- 3. The hexadecimal numbering system uses base 15.
Options- A. True
- B. False Discuss
- 4. The output voltage or current of a digital-to-analog converter is truly an analog signal.
Options- A. True
- B. False Discuss
- 5. Shift registers are used to store and transfer data.
Options- A. True
- B. False Discuss
- 6. To reduce the number of pins on high-capacity DRAM chips, address ________ is used so that a single pin can accommodate two different address bits.
Options- A. conversion
- B. programming
- C. multiplexing
- D. firmware Discuss
- 7. The ________ number system has a base of sixteen.
Options- A. Johnson
- B. hexadecimal
- C. binary
- D. octal Discuss
- 8. Using the CPLD design environment, we can simulate any combinations of inputs and observe the resulting output to check for proper circuit operation.
Options- A. True
- B. False Discuss
- 9. In a parity generator circuit, an error is signaled on an error indicator.
Options- A. True
- B. False Discuss
- 10. The gated S-R flip-flop is asynchronous.
Options- A. True
- B. False Discuss
More questions
Correct Answer: the clock pulse transitions from LOW to HIGH
Correct Answer: bidirectional
Correct Answer: False
Correct Answer: False
Correct Answer: True
Correct Answer: multiplexing
Correct Answer: hexadecimal
Correct Answer: True
Correct Answer: False
Correct Answer: False
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