It is of four types namely, parallel wire, twisted wire, optical fibre and coaxial wired communication . This type of communication is also known as line communication. Wireless communication is the transfer of information between two points without the use of an electric conductor as a medium.
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A communications system or communication system is a collection of individual telecommunications networks, transmission systems, relay stations, tributary stations, and terminal equipment usually capable of interconnection and interoperation to form an integrated whole .
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