Computer network refers to the multiple computers with independent functions and their external devices in different geographic locations. They are connected through communication lines. Under the management and coordination of network operating systems, network management software, and network communication protocols, resources are shared and managed. Information delivery computer system.
Definitions The simplest definition of a computer network is a collection of interconnected, autonomous computers that are designed to share resources. The simplest computer network is just two computers and one link connecting them, namely two nodes and one link. Because there is no third computer, there is no exchange problem. The largest computer network is the Internet. It consists of many computer networks interconnected by many routers. Therefore, the Internet is also called "network of networks." In addition, from the point of view of network media, computer networks can be viewed as a new type of media that is connected by multiple computers through specific devices and software.