For any set of inputs, A and B, the following circuits give the same output Q, except one. Which one is it?

For any set of inputs, A and B, the following circuits give the same output Q, except one. Which one is it? Correct Answer <img src="/images/option-image/engineering-physics/electronics/1689761453-29-4.png" title="Electronics mcq question image" alt="Electronics mcq question image">

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