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Question Pool -- Category E7A

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A.

It produces a logic "0" at its output only when all inputs are logic "0"

B.

It produces a logic "1" at its output only when all inputs are logic "1"

C.

It produces a logic "0" at its output if some but not all of its inputs are logic "1"

D.

It produces a logic "0" at its output only when all inputs are logic "1"

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