question_answer

The logic gate represented by the following combination of logic gate is  

A)  OR                              

B)  NAND            

C)  AND               

D)  NOR

Correct Answer: C

Solution :

Output \[Y=\overline{\overline{A}+\overline{B}}\,\,=\,\,\overline{\overline{A}}.\overline{\overline{B}}\,\,=\,\,A\cdot B\] It is the output of AND gate.