When does the output of a NAND gate =1?

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Computer Studies JAMB 2022

When does the output of a NAND gate =1?

  • whenever a 0 is present at an input checkmark
  • only when all input =0
  • whenever 1 is present at an input
  • only when all input =1

The correct answer is: A

Explanation

Whenever a 0 is present at an input, NAND gate = 1.

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