Q73 / 75 · VITEEE 2021 · Physics

The following circuit represents Figure

  • A
    OR gate
  • B
    AND gate
  • C
    NAND gate
  • Correct answer
    D
    None of these

Solution

Output of upper AND gate $=\overline{\mathrm{A}} \mathrm{B}$ Output of lower AND gate $=A \bar{B}$ $\therefore$ Output of OR gate, $\mathrm{Y}=\mathrm{A} \overline{\mathrm{B}}+\mathrm{B} \overline{\mathrm{A}}$ This is boolean expression for XOR gate.

Hence, the correct answer is option: 'D'.

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