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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