Data communication refers to the transfer of digital information from one point to another using various transmission mediums such as cables, radio waves and optical fibers. Data communication is an essential part of modern communication systems, including the internet, mobile networks and local area networks. The transfer of data involves many different components, including computers, routers, switches and modems. In this article, we will explore the different aspects of data communication, including the protocols, the various transmission media and the different types of networks.
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