Null Modem cable

Null Modem Cable. A null modem cable is a form of RS-232 standard where the transmit and receive lines are cross linked. Normally a straight through serial cable is used with this kind of adapter. ...

Parallel Communication

Parallel communication is a method of sending several data signals simultaneously over a communication link at one time. It comprises of several wired channels in parallel. The basic difference between a parallel communication and a serial communication ...

Serial Communication

Serial communication can be defined as the method of sending one bit of data at one point of time in succession through a bus. This is directly opposite to the function of parallel communication, ...