Question:

The circuit consisting of NAND gates that is equivalent to an AND gate is:

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NAND gates are universal gates and can be combined to implement any logic function including AND, OR, and NOT.
Updated On: Jun 3, 2025
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The Correct Option is B

Solution and Explanation

Using Boolean logic, an AND gate can be constructed by combining NAND gates as follows: \[ {AND}(A,B) = {NAND}({NAND}(A,B), {NAND}(A,B)) \] This means the output of a NAND gate is fed into another NAND gate acting as an inverter, which results in AND operation. 
The second circuit (Option B) shows this correct configuration.

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