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Which of the following gates is known as coincidence detector ?

  • A.AND gate
  • B.OR gate
  • C.NOT gate
  • D.NAND gate

Answer: A

Correct answer: AND gate

An AND gate outputs 1 only when every input is 1 at the same moment, so it signals the coincidence of all its inputs. That is why it is used as a coincidence detector in counting and timing circuits.

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