Question

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

• A. NOR
• B. OR
• C. NAND
• D. AND

Answer 1

The correct option is D

AND

Truth table

$\begin{array}{ccccc}A& B& Y_1& Y_2& Y\\ 0& 0& 1& 1& 0\\ 1& 0& 0& 1& 0\\ 1& 0& 0& 1& 0\\ 0& 1& 1& 0& 0\\ 1& 1& 0& 0& 1\end{array}$

This correspond to AND gate