Digital Electronics - Logic Gates
Exercise :: Logic Gates - General Questions
| 11. |
TTL operates from a ________. |
| A. |
9-volt supply | | B. |
3-volt supply | | C. |
12-volt supply | | D. |
5-volt supply |
Answer: Option D
Explanation:
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| 12. |
The output of a NOR gate is HIGH if ________. |
| A. |
all inputs are HIGH | | B. |
any input is HIGH | | C. |
any input is LOW | | D. |
all inputs are LOW |
Answer: Option D
Explanation:
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| 13. |
The switching speed of CMOS is now ________. |
| A. |
competitive with TTL | | B. |
three times that of TTL | | C. |
slower than TTL | | D. |
twice that of TTL |
Answer: Option A
Explanation:
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| 14. |
The format used to present the logic output for the various combinations of logic inputs to a gate is called a(n): |
| A. |
Boolean constant | | B. |
Boolean variable | | C. |
truth table | | D. |
input logic function |
Answer: Option C
Explanation:
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| 15. |
The power dissipation, PD, of a logic gate is the product of the ________. |
| A. |
dc supply voltage and the peak current | | B. |
dc supply voltage and the average supply current | | C. |
ac supply voltage and the peak current | | D. |
ac supply voltage and the average supply current |
Answer: Option B
Explanation:
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