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JEE Main 2021 (26 Aug, Shift 1) · Logic Gates

Logic Gates question from JEE Main 2021 (26 Aug, Shift 1)

Q129JEE Main 2021 · 26 AUG · SHIFT 1Medium

Logic Gates

Identify the logic operation carried out by the given circuit :-

Figure

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Answer: (c)

  1. Tied NANDs act as NOT: X=AˉX = \bar A, Y=BˉY = \bar B.
  2. AND: Z=AˉBˉ=A+B‾Z = \bar A \bar B = \overline{A+B} (De Morgan).
  3. So the answer is (c) NOR.
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