Different Types Of Computer Networks

A computer network is a connection between two or more computers and the connection is used to establish communication and also for sharing resources. Resources shared include printers, scanners, memory space and so on. Today, most communication take place through computer networks since it provides a simple, quick and cost effective means for information and resource sharing.

History Personal Computer

In the year 1968, a demonstration given by SRI researcher Douglas Englebert could be called the biggest of all demos so far. The demo gave a fore-sight of how working lifestyles would be in the 21st century with e-mails, word processing, hypertext, the mouse and video conferencing. This particular demonstration needed a lot of assistance from the support staff and also a mainframe computer that had the facility of time-sharing. It was found that all of this was way too expensive for businesses that operated individually in those days.