What is the component of communication system?
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1. Input and output devices, also referred to as 'terminals'
These provide the starting and stopping points of all communication. A telephone is an example of a terminal. In computer networks, these devices are commonly referred to as 'nodes' and consist of computer and peripheral devices.
2. Telecommunication channels, which transmit and receive data
This includes various types of cables and wireless radio frequencies.
3. Telecommunication processors, which provide a number of control and support functions
For example, in many systems, data needs to be converted from analog to digital and back.
4. Control software, which is responsible for controlling the functionality and activities of the network
5. Messages represent the actual data that is being transmitted
In the case of a telephone network, the messages would consist of audio as well as data.
6. Protocols specify how each type of telecommunication systems handle the messages
For example, GSM and 3G are protocols for mobile phone communications, and TCP/IP is a protocol for communications over the Internet.
While early telecommunication systems were built without computers, almost all systems we use today are computerized in some way.
These provide the starting and stopping points of all communication. A telephone is an example of a terminal. In computer networks, these devices are commonly referred to as 'nodes' and consist of computer and peripheral devices.
2. Telecommunication channels, which transmit and receive data
This includes various types of cables and wireless radio frequencies.
3. Telecommunication processors, which provide a number of control and support functions
For example, in many systems, data needs to be converted from analog to digital and back.
4. Control software, which is responsible for controlling the functionality and activities of the network
5. Messages represent the actual data that is being transmitted
In the case of a telephone network, the messages would consist of audio as well as data.
6. Protocols specify how each type of telecommunication systems handle the messages
For example, GSM and 3G are protocols for mobile phone communications, and TCP/IP is a protocol for communications over the Internet.
While early telecommunication systems were built without computers, almost all systems we use today are computerized in some way.
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