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The purpose of computer networking is to share resources, including hardware, software and data resources. The main functions of computer network include data communication, resource sharing, centralized management, distributed processing, load balancing, etc.

The main purpose of computer networks is to achieve resource sharing, including hardware, software and data resources. Data communication, distributed processing, browsing web pages and other specific applications are based on resource sharing, which is one of the basic functions of computer networks.

Computer network refers to a computer system that connects multiple computers and their external devices with independent functions in different geographical locations through communication lines, and realizes resource sharing and information transmission under the management and coordination of network operating systems, network management software and network communication protocols.

Function:

data communication

Data communication is one of the most important functions of computer networks. Data communication is a communication mode and communication service that transmits data information between two terminals by using data transmission technology according to a certain communication protocol. It can realize the data information transmission between computers and computers, computers and terminals, and terminals. It is the third largest communication service after telegraph and telephone services. The information transmitted in data communication is expressed in binary data form. Another characteristic of data communication is that it is always associated with remote information processing, which is a generalized information processing including scientific calculation, process control, information retrieval and so on.

resource sharing

Resource sharing is one of the main purposes of computer networks. Computer resources include hardware resources, software resources and data resources. The sharing of hardware resources can improve the utilization rate of equipment and avoid repeated investment in equipment, such as using computer networks to establish network printers; the sharing of software resources and data resources can make full use of existing information resources, reduce labor in the process of software development, and avoid repeated construction of large databases.

centralized management

The development and application of computer network technology has changed modern office methods and management. At present, there have been many management information systems, office automation systems, etc., through these systems can achieve centralized management of daily work, improve work efficiency and increase economic benefits.

implement distributed processing

The development of network technology makes distributed computing possible. Large problems can be divided into many smaller problems, which can be solved separately by different computers, and then concentrated to solve the problem.

load balancing

Load balancing means that work is evenly distributed among computer systems on a network. The network control center is responsible for distribution and detection. When a computer is overloaded, the system will automatically transfer the load to a lighter computer system to handle.

It can be seen that computer networks can greatly expand the functions of computer systems, expand their application scope, improve reliability, provide convenience for users, and also reduce costs and improve performance-price ratio.

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