Data Communication Network
Data communications are the exchange of data between two devices using one or multiple forms of transmission medium using one of the three transmission modes. That is, data communication is movement of data from one device or end-point to another device or end point through electrical or optical medium. Systems that facilitates this movement of data between devices or end-points are called data communication network. There are 5 components of a data communication network. The devices which are in need to be a part of a data communication network made up of computer hardware and software.
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