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MHT CET202123 Sep 2021Evening ShiftPhysicsSemiconductorsActual

The Boolean equation for the circuit given in the figure is

Options

  1. AY = A + B ¯
  2. BY = A + B ¯
  3. CY = A ¯ + B
  4. DY = A ¯ + B ¯

Correct answer

C. Y = A ¯ + B

Step-by-step solution

In the above diagram, we have the combination of NOT gate and OR gate. For NOT gate X = A ¯           . . . 1 For OR gate Y = X + B ⇒ Y = A ¯ + B       Using   1 Hence, the output expression of the given arrangement of gates is A ¯ + B .

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