Discussion
A toggle operation cannot be performed using a single
Answer: B
Correct answer: AND gate
Toggling means inverting, and inversion requires a gate that can produce a complement. NAND, NOR and XOR can each be wired to invert - tie the inputs together, or hold one XOR input at 1 - but an AND gate with its inputs tied together simply reproduces the input, so it can never toggle.
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