TELECOMMUNICATION
Introduction:- Telecommunication is known as transmission of signs, signals, messages, words, writings, images and sounds or information of any nature by wire, radio, optical or other electromagnetic systems. Telecommunication occurs when exchange of information occurs between communication and participants includes the use of technology. It is transforms through a transmission media, such as over physical media, for example, over electrical cable, or via electromagnetic radiation through space. Such as radio or light. Such transmission paths are further divided into communication channels which afford the advantages of multiplexing. Since the Latin term communication is considered the social process of information exchange, the term telecommunications is often used in its plural form because it involves many different aspects of technologies. In Early means of communicating over a distance included visual signals, such