English, asked by allukanghw786, 3 months ago

explain in brief how a massage can be sent world wide in fraction of a second​

Answers

Answered by Kalashvora2509
0

Answer:

communication channel refers either to a physical transmission medium such as a wire, or to a logical connection over a multiplexed medium such as a radio channel in telecommunications and computer networking. A channel is used to convey an information signal, for example a digital bit stream, from one or several senders (or transmitters) to one or several receivers. A channel has a certain capacity for transmitting information, often measured by its bandwidth in Hz or its data rate in bits per second.

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