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NEET2013PhysicsSemiconductorsActual

The output (X) of the logic circuit shown in figure will be

Options

  1. AX= A B
  2. BX= A B
  3. CX=A B
  4. DX= A+B

Correct answer

C. X=A B

Step-by-step solution

X= A B =A B (i.e., AND gate) If the output X of NAND gate is connected to the input of NOT gate (made from NAND gate by joining two inputs) from the given figure then we get back an AND gate.

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