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Branch: : Electronics Engineering
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“Communication” is the process of transferring information from a source to a destination. Communication systems for the most part cover distances between computers, and may involve the public telephone system, radio, and television.
Wide-area communication systems have become very complex, with all combinations of voice, data, and video being transferred by wire, optical fiber, radio, and microwaves. Communication routes may traverse distances over land, under
water, through local radio cells, and via satellite. Data that originates as analog voice signals may be converted to digital data streams for efficient routing over long distances, and then converted back to an analog signal, without the awareness
of those communicating.