Question:medium

The combination of gates shown in the figure below produces:

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De Morgan's law: $\overlineA · \overlineB = A + B$.
Updated On: May 24, 2026
  • NOR gate
  • OR gate
  • AND gate
  • XOR gate
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The Correct Option is B

Solution and Explanation

The given circuit consists of logic gates arranged in a particular sequence. Let’s analyze the gates and their combination to determine the overall output function produced by this circuit.

  1. The circuit consists of two NOT gates and one OR gate.
  2. Inputs A and B are first passed through individual NOT gates.
  3. This means both A and B are inverted, resulting in A' and B'.
  4. The outputs A' and B' are then fed into an OR gate.
  5. The OR gate gives an output of A' + B'.
  6. Since A' + B' is equivalent to the logical operation performed by a NOR gate with inputs A and B, followed by a NOT gate, this is equivalent to the logical OR of inputs A and B.

Therefore, the overall combination of gates shown in the figure produces the function of an OR gate, which is the correct answer.

Correct Answer: OR gate

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