uniti truth table for not and gateif both inputs are ' 'then only the outputy is ' for remaining combinations of inputsthe outputy is ' it is optional to represent the logical and with the symbol the following figure shows the symbol of an and gatewhich is having two inputs ab and one outputy the following table shows the truth table of -input and gate = or gatethis logical or is represented with the symbol '+if both inputs are ' 'then only the outputy is ' for remaining combinations of inputsthe outputy is ' department of csevishnu institute of technology