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NEET2017PhysicsSemiconductorsActual

The given electrical network is equivalent to

Options

  1. AAND gate
  2. BOR gate
  3. CNOR gate
  4. DNOT gate

Correct answer

C. NOR gate

Step-by-step solution

Output at NOR gate Y 1 = A + B ¯ The output of first NOR gate is input to the second NOR gate, so the output of second NOR gate is Y 2 = Y 1 + Y 1 ¯ = Y 1 ¯ = A + B ¯ ¯ = A + B The output of NOT gate is Y = Y 2 ¯ = A + B ¯ The given electrical network becomes equivalent to the NOR gate.

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