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When does the output of a NAND gate =1?

When does the output of a NAND gate =1?

A.

whenever a 0 is present at an input

B.

only when all input =0

C.

whenever 1 is present at an input

D.

only when all input =1

View answer & explanation

Correct answer is A

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

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