Computer networks can be divided into public networks and private networks according to the scope of use; they can be divided into wired networks and wireless networks according to communication media; they can be divided into wide area networks, local area networks and metropolitan area networks according to the geographical effective range. Computer networks can greatly expand the functionality of computer systems and improve reliability.
Computer networks are divided according to their scope of use and can be divided into public networks and private networks.
According to communication media, it can be divided into wired network and wireless network.
According to the geographical effective range, it can be divided into wide area network, local area network and metropolitan area network.
Related introduction:
Definition:
Computer network refers to multiple computers and their external devices with independent functions in different geographical locations that are connected through communication lines. A computer system that realizes resource sharing and information transfer under the management and coordination of network operating systems, network management software and network communication protocols.
Function:
Data communication
Resource sharing
Centralized management
Realizing distributed processing
Load balancing
It can be seen that computer networks can greatly Expand the functions of the computer system, expand its application scope, improve reliability, provide convenience to users, while also reducing costs and improving performance-price ratio.
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