data communication refers to the exchange of data between a source and a receiver data communication is it to be local is communicating devices are in the same a building or a similar restricted geographical area the meaning of source and a receiver are very simple the device that transmits the data is known as source and dhee 10 device that receive and translated the data is known as receiver data communication aims to transfer of data and maintenance of the data given a perfect but not the extra generator the information resource and receiver.
Simple data communication system:
a data communication system may collect data from remote location through data transmission circuit and then output process to visit to remote locations.
figure provides a broader view of data communication networks the different data communication technique which are presently in participate use and Ford gradually added to improve the data communication techniques already existing or to repair the same with better options and futures 10 data data communication jargons to contend with such as Ford rate models routers LAN WAN during the process of communication system and it becomes necessary to review the understand these terms and gradual development of data communication methods
