Question

Which logic gate is represented by the following combination of logic gates:

• A. OR
• B. NAND
• C. AND
• D. NOR

Answer 1

Answer: (C)

$Y=\overline{\overline{A}+\overline{B}}=\overline{\overline{A}}.\overline{\overline{B}}=A.B$
This is the Boolean expression of AND gate.