Network is a virtual platform for information transmission, reception and sharing. It uses physical links to connect isolated workstations or hosts to form data links, thus achieving the purpose of resource sharing and communication.

With the help of software tools such as text reading, picture browsing, audio and video playing, download and transmission, game chatting, etc., the network will provide services for users from the aspects of text, pictures, sound and video, and has the characteristics of multipoint, connectivity, interactivity and rapidity. In modern society, the network has become an indispensable part of people's lives.

Network, generally translated in English as: Internet, network or [[electrical] [computer] network. Simply put, it is to connect isolated workstations or hosts with physical links to form a data link, so as to achieve the purpose of resource sharing and communication.

Computer network is a system that connects many computer systems with different geographical locations and independent functions through communication equipment and lines, and realizes network resource sharing with well-functioning network software (network protocol, information exchange mode and network operating system, etc.). ).