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JEE Main201912 Jan 2019Morning ShiftPhysicsSemiconductorsActual

The output of the given logic circuit is:

Options

  1. AA B -
  2. BA - B
  3. CA B + A B ¯
  4. DA B - + A - B

Correct answer

A. A B -

Step-by-step solution

y = ( A . A . B ¯ ¯ ) . ( A . B ¯ + B ) ¯ A . A . B ¯ + ( A . B ) . B ̄ = A ⋅ A - + B - = A B -

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