question_answer

The logic operation performed by the circuit given here is

A)  NAND             

B)  NOR             

C)  OR                              

D)  NOT

Correct Answer: C

Solution :

Circuit shown in figure is combination of two NOR gates. \[\Rightarrow \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\operatorname{Y}=\overline{\overline{\left( A+B \right)}}=A+B\] \[\Rightarrow \]          This is the output of OR gate