Prove De Morgan's second theorem \((A \cdot B)' = A' + B'\)… – BCA Digital Logic 2026 Solved

BCA Digital Logic · 2026 · Solved Question with Answer

Prove De Morgan's second theorem \((A \cdot B)' = A' + B'\) using a truth table. Also realize a basic AND gate using NAND gates only.

Solution

Prove De Morgan's second theorem \((A \cdot B)' = A' + B'\) using a truth table. Also realize a basic AND gate using NAND gates only.