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The output of an OR gate with three inputs, A, B, and C, is LOW when ________.

  • A.A = 0, B = 0, C = 0
  • B.A = 0, B = 0, C = 1
  • C.A = 0, B = 1, C = 1
  • D.all of the above

Answer: A

Correct answer: A = 0, B = 0, C = 0

An OR gate is LOW only when every input is LOW; a single 1 makes the output 1.

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