Telecommunication is the exchange of information over significant distances by electronic. Single telecommunication circuit consists of two stations, each equipped with a transmitter and the receiver. The transmitter and receiver at any station may be combined into a single device called transceiver
History of communication technology
History of computer technology
Telecommunication is so important for people to contact each other. So, there have many type of communication such as:
-Point to point communication
-broadcast communication
-multiplex system