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Basic components of data communication system

Source: Shangpin China | Type: website encyclopedia | Time: July 28, 2014
The basic form of communication is to establish a channel between the sender and the receiver to transmit information. Communication is the process of transmitting information from one place to another. The system used to realize the communication process is called the communication system, and information is transmitted through Website construction Communication system.
Composition of data communication system

The basic model of the communication system is shown in Figure 1-4. There are five basic components, namely, source, signal conversion equipment, communication, signal conversion equipment and destination. Among them, the part excluding the equipment at both ends is called the information transmission system. The information transmission system is composed of three main parts: signal conversion equipment at the sending end, ICT, and signal conversion equipment at the receiving end.

1. Source and destination
The source is the sender of the information, the person or device sending the information; A destination is the receiving end of information, the person or device that receives the information transmitted. The source and sink equipment of Dayu Branch are computers or other data terminal equipment (DTE).

2. Channel
Channel is the channel for signal transmission, including intermediate communication equipment and transmission media. Generally, a communication line includes at least two channels, one for transmission and one for reception. Channels can be classified according to different standards. Channel can be divided into wired channel and wireless channel according to transmission medium; According to the type of transmission signal, it can be divided into analog channel and digital channel.
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