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- Question
Which of the following statements apply to CMOS devices?
Options- A. The devices should not be inserted into circuits with the power on.
- B. All tools, test equipment, and metal workbenches should be tied to earth ground.
- C. The devices should be stored and shipped in antistatic tubes or conductive foam.
- D. All of the above.
- Correct Answer
- All of the above.
- 1. In a positive logic system, the logic LOW could be between 0 V and 0.8 V.
Options- A. True
- B. False Discuss
- 2. Which of the following increases the number of product terms by borrowing unused product from other macrocells?
Options- A. Shared expander
- B. Parallel expander
- C. Series expander
- D. Slice expander Discuss
- 3. A TTL totem-pole circuit is designed so that the output transistors:
Options- A. are always on together
- B. provide linear phase splitting
- C. provide voltage regulation
- D. are never on together Discuss
- 4. How many address bits are needed to select all memory locations in the 2118 16K × 1 RAM?
Options- A. 8
- B. 10
- C. 14
- D. 16 Discuss
- 5. In the commutative law, in ORing and ANDing of two variables, the order in which the variables are ORed or ANDed makes no difference.
Options- A. True
- B. False Discuss
- 6. Other ________ are often used to interpret or represent binary quantities for the convenience of the people who work with and use these digital systems.
Options- A. analog systems
- B. digital systems
- C. number systems
- D. binary systems Discuss
- 7. If both inputs of an S-R flip-flop are LOW, what will happen when the clock goes high?
Options- A. No change will occur in the output.
- B. An invalid state will exist.
- C. The output will toggle.
- D. The output will reset. Discuss
- 8. Most demultiplexers facilitate which type of conversion?
Options- A. decimal-to-hexadecimal
- B. single input, multiple outputs
- C. ac to dc
- D. odd parity to even parity Discuss
- 9. All flip-flops in an asynchronous counter change states at the same time.
Options- A. True
- B. False Discuss
- 10. A GAL is essentially a ________.
Options- A. non-reprogrammable PAL
- B. PAL that is programmed only by the manufacturer
- C. very large PAL
- D. reprogrammable PAL Discuss
More questions
Correct Answer: True
Correct Answer: Parallel expander
Correct Answer: are never on together
Correct Answer: 14
Correct Answer: True
Correct Answer: number systems
Correct Answer: No change will occur in the output.
Correct Answer: single input, multiple outputs
Correct Answer: False
Correct Answer: reprogrammable PAL
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