Introduction to the computer system related topic and the topic is following below here:

What is the main purpose of data communication?

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What is the main purpose of data communication?

There are some points on the computer system and data communication related topic of "What is the main purpose of data communication?" following below here:

The main purpose of a data communication system is to make a transmission system of data between computer systems and other network devices such as mobile devices or smart watches etc.

Data communication makes transmission between two points which has ability to connect with the specific medium 

There are two of data communication following below here :

Sender 

Computer can be sent to the receiver when the user sends the data through the computer system. The user uses the interface of application software to send the data to the communicator.

Receiver

Computer also can be a receiver of the sender when the user gets the data received the data is sent by the sender through the application software which has the receiver user installed on their computer system.

The user can communicate and share data which has a value for the user to use it for their personal or official uses on the department

The user can communicate and share data which has such as the valuable file sent to the user for personal uses the personal means the file contains so many personal information of the particular home address, personal image data, audio files which contains some information in voice data, video data file is also realtime recorded data of the personal information share to personal using personal chatting server.

The personal data is necessary to protect from the other and cannot be accessed through the security of the data communication security process such as scanning all types of files through the antivirus application.

The official data is needed to secure and share to the department because the model of the organisation or business model can be shared to the user head of the department for the development of the company.

The model can be shared through the file of the document using some model shapes including and developed the entity models which has a meaning the database for a particular organisation and business concepts.

Data communication is work also for a long distance to share data to the user through the specific medium of wired connection or wireless connection

Data communication also works for a long distance to share to the user through the application software. The application software is a web application which works on data communication and internet or computer networks. Application software is work on the layer application of the communication system.

The data communication is possible to share to the receiver through the network device and computer system which includes application software and database connection which is used for sending the data and storing the data of the sender.

Sent data is managed on the database of the data communication for the sent history which is necessary for analysis of the data of the data communication. Similarly received data also can be stored into the database which is useful to access again the data that has been sent to the user in previous days.

The wired connection of the data communication 

The wired connection is connected to the wire or cable of the computer system connected to another computer system with a single cable called peer to peer connection of two computer systems. Similarly, many can be connected through the network device with the large quantities of cables in the computer network system or data communication system. The wired connection is the base of all types of network and internet in the world because the world wide area network is possible through the cable connection underground of the sea to share country to country connection of data and make communication systems in the world. 

Computer system also supports the video chatting application software which is used to share the video and audio data which requires the microphone and webcam for data communication purposes for the user.

The wireless connection of the data communication 

The wireless connection is possible through the network device which is used to provide the radio wave for communication systems.

The network device spreads mostly in kilometres of their wireless connection and makes a communication system using the network device on the computer system.

The mobile is also a completely network device and small size of computer system which is used to communicate with the other user through the interface of application software such as chatting application, social media application, email websites etc. The smart mobile also supports the video conferencing application software for the video communication system for the sharing the video data at real time position of the user through the smart mobile device.