Computer Network Introduction And Its Benefits


Computer Network
A collection of computers and other devices that are connected together by communication channels for sharing information and other resources is called computer network. The resources may include printers, scanners, and hard disk. Computer network is also called the information network. The most popular information network is the internet.

In a computer network, two important technologies: computing and telecommunication work together. The computers on a network may be linked through cables, telephone lines, radio waves (Wireless), and satellites.


Uses/Benefits of network
The main beneficts or uses of computer network are :
1- Communication
     Using a network. different people can communicate with each other all over the world. People can communicate at very low cost via e-mail, chatting, telephone, video telephone, video conferencing, groupware, and SMS service.
2- Sharing Resources
In a computer network, resources such as, printers, scanners, fax machine and modems can be shared among different users. Suppose several personal computers and laser printers are connected to network. Each user can acess the printer.
3- Sharing Software
In a Computer network, usually application programs and other software are stored on the central computer. Users connected to a network can access these programs or software
4- Data Sharing
Data or information can be shared among different users. Any Authorized user can access data stored on other computer on the network. For example, on the internet large number of internet users can access same database.
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