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JEE Main 2026 (24 Jan, Shift 2) · Logic Gates

Logic Gates question from JEE Main 2026 (24 Jan, Shift 2)

Q30JEE Main 2026 · 24 JAN · SHIFT 2Medium

Logic Gates

Identify the correct truth table of the given logic circuit.

Figure

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Answer: (a)

  1. Upper AND with tied inputs passes AA.
  2. NAND gives AB‾\overline{AB}; the tied AND after it passes it unchanged.
  3. Final AND: Y=AAB‾=A(Aˉ+Bˉ)=ABˉY = A\overline{AB} = A(\bar A + \bar B) = A\bar B.
  4. Table: 00→0, 01→0, 10→1, 11→000 \to 0,\ 01 \to 0,\ 10 \to 1,\ 11 \to 0.
  5. So the answer is (a).
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