Standard Logic Devices (SLD) problems
- 1. A digital logic device used as a buffer should have what input/output characteristics?
Options- A. high input impedance and high output impedance
- B. low input impedance and high output impedance
- C. low input impedance and low output impedance
- D. high input impedance and low output impedance Discuss
Correct Answer: high input impedance and low output impedance
- 2. The range of a valid LOW input is:
Options- A. 0.0 V to 0.4 V
- B. 0.4 V to 0.8 V
- C. 0.4 V to 1.8 V
- D. 0.4 V to 2.4 V Discuss
Correct Answer: 0.4 V to 0.8 V
- 3. The time needed for an output to change as the result of an input change is known as:
Options- A. noise immunity
- B. fanout
- C. propagation delay
- D. rise time Discuss
Correct Answer: propagation delay
- 4. ECL gates are noted for their high frequency capability and small output voltage swing.
Options- A. True
- B. False Discuss
Correct Answer: True
- 5. 5400 TTL series logic chips are made to military specifications.
Options- A. True
- B. False Discuss
Correct Answer: True
- 6. CMOS circuits consume less power than TTL circuits.
Options- A. True
- B. False Discuss
Correct Answer: True
- 7. Due to the extremely low power requirements of CMOS logic circuits, any number of CMOS and TTL gates can be interconnected.
Options- A. True
- B. False Discuss
Correct Answer: False
- 8. Schottky TTL logic gates overcome the problem of saturation delay time.
Options- A. True
- B. False Discuss
Correct Answer: True
- 9. Totem pole output circuits can change states faster than open-collector output circuits.
Options- A. True
- B. False Discuss
Correct Answer: True
- 10. The term buffer/driver signifies the ability to provide low output currents to drive light loads.
Options- A. True
- B. False Discuss
Correct Answer: False
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