uniti besides bytesdata is also specified using the units shown in the table circuits and logicthe basic digital electronic circuit that has one or more inputs and single output is known as logic gate logic gates are divided into three types they are basic gates:not,and,or universal gates :nand,nor arithmetic gates:exor,exnor not gatethe simplest gate is the not gatealso known as an inverter it accepts single input and outputs the opposite value if the input is the output is if the input is the output is department of csevishnu institute of technology