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The Five Main Components of Data Communication

Five main components are involved in the process of data communication and each of these components play major roles in the transmission of data.

The five main components of data communication system are:


 

  1. Transmitter

  2. Receiver

  3. Medium

  4. Message

  5. Protocol

 


The transmitter sends the message and the receiver receives the message. The medium is the channel over which the message is sent and the protocol is the set of rules that guides how the data is transmitted from encoding to decoding. The message of course is central to all the other components. The message is the data that is being communicated.

 


 

relationship between the five components of Data Communication

 

 

 

System

Roles of the Components

Example

Transmitter

The device that sends the Message

Computer, Radio Station

Receiver

The device that receives the message

Telephone handset, Workstation

Medium

The channel over which the message is sent

Radio waves, coaxial cable

Message

The information or data being communicated

Video, Text

Protocol

The set of rules that guides how data is transmitted and encoded and decoded.

TCP/IP, AppleTalk

 

Article Tags: data communication

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