A

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Q. Which one is a basic comparator?

  • (A) xor
  • (B) xnor
  • (C) and
  • (D) nand

Explanation by: Admin

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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