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NEET2016PhysicsSemiconductorsActual

What is the output Y in the following circuit, when, all the three inputs A ,   B ,   C are first 0 and then, 1 ?

Options

  1. A0 ,   1
  2. B0 ,   0
  3. C1 ,   0
  4. D1 ,   1

Correct answer

C. 1 ,   0

Step-by-step solution

Output, Y = A ⋅ B ⋅ C ¯ = A ¯ + B ¯ + C ¯ . When, A ,   B ,   C are 0 → Y = 1 . When, A ,   B ,   C are 1 → Y = 0 .

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