写一篇英语短文介绍互联网的功能70词左右

写一篇英语短文介绍互联网的功能70词左右

The basic function and characteristics of computer network
The 1 data communication
Data communication is the basic function of the computer network,can realize the data transmission between different geographic locations and terminal computer,computer and computer.
2 resource sharing
Resources sharing include software,hardware and data resources in the network,the computer network is the main and most attractive features.
3 centralized management
4 distributed processing
5 high reliability
6 load balancing
7 integrated information services
The main application of computer network
Computer network is the foundation of information industry,in all walks of life have been widely applied:
1 the office automation system (OAS)
Office automation is the advanced science and Technology (information technology,system science and behavior science) to complete a variety of office business.
The core of the office automation system is a communication and information.Through the office of the computer and other office equipment connected to the network,can fully exploit the information resources effectively,to improve production efficiency,the efficiency and quality of work,better auxiliary decision.
Figure:
2 management information system (MIS)
MIS is an application system based on database.Establishment of management information system based on computer network,is the basic premise and the characteristics of enterprise management.For example,the use of the MIS system,enterprises can realize various departments transfer dynamic information management,query and inter departmental information,can greatly improve enterprise management level and work efficiency.
3 electronic data interchange (EDI)
Electronic data interchange,is an internationally recognized standard format for trade,transportation,insurance,bank,customs and other information of the industry,through the computer network,to realize the data exchange between different enterpri