Telecommunications are the means of electronic transmission of information over distances. The information may be in the form of voice telephone calls, data, text, images, or video. Today, telecommunications are used to organize more or less remote computer systems into telecommunications networks.
A basic telecommunication system consists of three elements: A transmitter that takes information and converts it to a signal A transmission medium that carries the signal; and, A receiver that receives the signal and converts it back into usable information.
A VoIP system works by taking your analogue voice signals, converting them into digital signals, then sending them as data over your broadband line. It's a very useful way of making calls - for a start, once it's set up it's a lot cheaper than using normal phone lines
Types of Computer Network: LAN, MAN and WAN
Local Area Network (LAN)
Metropolitan Area Network (MAN)
Wide area network (WAN)
A telecommunications network is a collection of transmitters, receivers, and communications channels that send messages to one another. Some digital communications networks contain one or more routers that work together to transmit information to the correct user.
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