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NEET 2013
Exam
NEET
Year
2013
Subject
Physics
Chapter
Semiconductors

NEET 2013 · Physics · Semiconductors

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

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

Options

  1. AX=Aˉ‾⋅Bˉ‾X=\overline{\bar{A}} \cdot \overline{\bar{B}}
  2. BX=A⋅B‾X=\overline{A \cdot B}
  3. CX=A⋅BX=A \cdot B
  4. DX=A+B‾X=\overline{A+B}

Correct answer

C. X=A⋅BX=A \cdot B

Step-by-step solution

X=AB‾‾=A⋅BX=\overline{\overline{A B}}=A \cdot B (i.e., AND gate) If the output XX 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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