Digital Electronics - Logic Gates
Exercise :: Logic Gates - General Questions
| 46. |
The term "hex inverter" refers to: |
| A. |
an inverter that has six inputs | | B. |
six inverters in a single package | | C. |
a six-input symbolic logic device | | D. |
an inverter that has a history of failure |
Answer: Option B
Explanation:
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| 47. |
How many inputs are on the logic gates of a 74HC21 IC? |
Answer: Option D
Explanation:
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| 48. |
The basic logic gate whose output is the complement of the input is the: |
| A. |
OR gate | | B. |
AND gate | | C. |
inverter | | D. |
comparator |
Answer: Option C
Explanation:
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| 49. |
When reading a Boolean expression, what does the word "NOT" indicate? |
Answer: Option B
Explanation:
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| 50. |
The output of an exclusive-NOR gate is HIGH if ________. |
| A. |
the inputs are equal | | B. |
one input is HIGH, and the other input is LOW | | C. |
the inputs are unequal | | D. |
none of the above |
Answer: Option A
Explanation:
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