Communication System Fundamentals

Communication consists of transferring information in various forms (text, audio, video) from one place to the other. This process needs at least three elements: an information source, a medium carrying information to a remote point, and a sink collecting the transmitted information. We usually imagine that people are directly involved, at least as sources and addressees of the information, but nowadays it is not always the case: the equipment itself exchanges information e.g. remote control data. In the simplest case, a messenger may transmit the information but usually, some technical means are used for it. Therefore, a communication system Fundamentals may be defined as a set of facilities making possible communication by means of signals.

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