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MHT CET20255 May 2025Evening ShiftPhysicsSemiconductorsActual

An AND gate is followed by a NOT gate in series. With two inputs 'A' and 'B', the Boolean expression for the output 'Y' will be

Options

  1. AA + B
  2. BA B
  3. CA B
  4. DA + B

Correct answer

B. A B

Step-by-step solution

The combination of an AND gate followed by a NOT gate forms a NAND gate. The AND gate output is the logical product A B , which serves as input to the NOT gate. Inversion yields the final output Y = A B . This expression corresponds to option B among the choices, identifying the configuration as a NAND gate rather than NOR, AND, or OR operations. Final answer: B

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