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- Question
Which of the following summarizes the important features of ECL?
Options- A. Low noise margin, low output voltage swing, negative voltage operation, fast, and high power consumption
- B. Good noise immunity, negative logic, high frequency capability, low power dissipation, and short propagation time
- C. Slow propagation time, high frequency response, low power consumption, and high output voltage swings
- D. Poor noise immunity, positive supply voltage operation, good low frequency operation, and low power
- Correct Answer
- Low noise margin, low output voltage swing, negative voltage operation, fast, and high power consumption
- 1. The first microprocessor had a(n)________.
Options- A. 1-bit data bus
- B. 2-bit data bus
- C. 4-bit data bus
- D. 8-bit data bus Discuss
- 2. If a 3-input OR gate has eight input possibilities, how many of those possibilities will result in a HIGH output?
Options- A. 1
- B. 2
- C. 7
- D. 8 Discuss
- 3. The select inputs to a multiplexer may also be called address lines.
Options- A. True
- B. False Discuss
- 4. How many 2-input NOR gates does it take to produce a 2-input NAND gate?
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 5. The 7476 and 74LS76 are both dual flip-flops.
Options- A. True
- B. False Discuss
- 6. How many different states does a 3-bit asynchronous counter have?
Options- A. 2
- B. 4
- C. 8
- D. 16 Discuss
- 7. The invalid range for an input to TTL logic is from ________.
Options- A. 0 to 0.8 V
- B. 1.2 to 1.6 V
- C. 0.8 to 2.0 V
- D. 2.0 to 5.0 V Discuss
- 8. A typical fan-out for most TTL is 9.
Options- A. True
- B. False Discuss
- 9. The outputs of the 74138 octal decoder are enabled when the enable inputs are
.
Options- A. True
- B. False Discuss
- 10. Convert the following hexadecimal number to decimal.
B516
Options- A. 212
- B. 197
- C. 165
- D. 181 Discuss
More questions
Correct Answer: 4-bit data bus
Correct Answer: 7
Correct Answer: True
Correct Answer: 4
Correct Answer: True
Correct Answer: 8
Correct Answer: 0.8 to 2.0 V
Correct Answer: False
Correct Answer: True
Correct Answer: 181
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