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The EXCLUSIVE NOR gate is equivalent to which gate followed by an inverter ?

  • A.OR
  • B.AND
  • C.NAND
  • D.XOR

Answer: D

Correct answer: XOR

XNOR is by definition the complement of XOR, so an XOR followed by an inverter produces it. It is 1 when its inputs agree, which is why it also serves as an equality detector.

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