Why we need computer networks? Need for Computer Networking
Computer networks help users on the network to share the resources and in communication. Can you imagine a world now without emails, online newspapers, blogs, chat and the other services offered by the internet?
The following are the important uses and benefits of a computer network.
File sharing: Networking of computers helps the network users to share data files.
Hardware sharing: Users can share devices such as printers, scanners, CD-ROM drives, hard drives etc. Without computer networks, device sharing is not possible.
Application sharing: Applications can be shared over the network, and this allows to implement client/server applications
User communication: Networks allow users to communicate using e-mail, newsgroups, and video conferencing etc.
Network gaming: A lot of network games are available, which allow multi-users to play from different locations.
Voice over IP (VoIP): Voice over Internet Protocol (IP) is a revolutionary change in telecommunication which allows to send telephone calls (voice data) using standard Internet Protocol (IP) rather than by traditional PSTN.