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管理信息系统主要包括信息的收集、存储、加工、分配、传输和利用,一般由多个相互连接的分层次的相对独立的子系统组成。计算机网络的作用就是负责各层次系统之间的互连、通信和资源共享,它是管理信息系统中具有整体性特点的最为重要的基础。 一、计算机网络的定义 计算机网络,是利用通信线路和网络设备将地理位置不同的、多个功能独立的计算机系统连结起来的一种网络。计算机网络的功能主要表现在三个方面:一是硬件资源共享,如互连网上的任何一台微
Management information system mainly includes the collection, storage, processing, distribution, transmission and utilization of information, and is generally composed of a plurality of hierarchically independent sub-systems interconnected. The role of computer networks is to be responsible for the interconnection, communication and resource sharing among all levels of systems. It is the most important basis for the holistic character of management information systems. First, the definition of computer network Computer network is the use of communication lines and network equipment will be geographically different, a number of independent computer systems linked to a network. Computer network functions mainly in three aspects: First, hardware resource sharing, such as any one on the Internet micro