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Q. |
Which one is a basic comparator? |
A. | xor |
B. | xnor |
C. | and |
D. | nand |
Answer» A. xor | |
Explanation: generally, an xnor outputs high for even number of 1s or all 0s and outputs low for otherwise. thus, an xnor gate is a basic comparator, because its output is “1” only if its two input bits are equal. |
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