Question

The combination of gates below equivalent to :

• A. AND gate
• B. XOR gate
• C. NOR gate
• D. NAND gate

Answer 1

Answer: (D)

$x =\overline{\overline{ A }+\overline{ B }}=\overline{\overline{ AB }}= A \cdot B$
$y =\overline{ x }=\overline{ A \cdot B }=$ NAND GATE