Data Communication

Data Communication System is the mechanism used to facilitate the transfer of data from source to destination, mankind has developed a variety of methods to communicate information using a variety of mechanism and technologies. Radio system extended the distance of communication around the world and into space. In recent years ,computer technology has enabled the evolution of digital communication systems, which has made a variety of types of communication accessible to everyone on planet. The reason for this is discussed in detail. The discussion is useful for the better understanding of communication system.