question_answer

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

A) OR           

B) NAND

C) AND                     

D) NOR

Correct Answer: C

Solution :

Output , \[Y=\overline{\bar{A}+\overline{B}}\] \[Y=\overline{\bar{A}+\overline{B}}\] \[=\bar{\bar{A}}\bar{\bar{B}}=AB\] This is the output equation of AND gate.