Networking - knowledge you want to gain

Data communication means networking refers to the exchange of data between source and receiver . Data communication is said to be local if communicating devices are in the same building or a similarly restricted geographical area are very simple. The device that transmit the data is known as source and the device that receives the transmitted data is known as receivwr. Data communication aims at the transfer of data and maintanance of data during the process but not the actual generation of the information at the source and receiver

Simple data communication system

A data communication system may collect data from remote location through data transmission circuits, and then output processed results to remote locations.figure provides a broader view of data communication networks. The different data communication technique which are presently in wide spread use evolved gradually either to improve the data communication technique already existing or to replace the same with better options and features. Then there are data communication jargons to contend with such as baud rate, modems ,routers, LAN, WAN, TCP/IP,ISDN,diring the selection of communication system. Hence, it become necessary to review and understand these term and gradual developement of data communication method. 

Data communication system using remote location 

Component of data communication system are 

• Message
• Sender
• Receiver
• Medium
• Protocol

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