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随着计算机的普及和推广,特别是微型计算机的价格直线下降,计算机局部地区网(简称局部网)的发展十分迅速,至1981年底国外杂志上宣布大约有20多家公司推出了局部网产品或试用产品,其中主要是小型机和微型机局部网。计算机局部网是计算机的一种应用形式,目前使用计算机局部网的部门日益增多,有人预言八十年代是计算机局部网大发展的时期。本文对局部网的基本特征和两种比较典型的局部网的工作原理作了简要介绍。
With the popularization and popularization of computers, especially the prices of microcomputers plummeted, the development of computer local area networks (referred to as local networks) has been rapidly developed. By the end of 1981, about 20 companies in the foreign magazines announced that they had launched local area network products or Trial products, mainly minicomputers and minicomputers. Computer local area network is a form of computer applications, the current use of computer local area network is growing, it was predicted that the eighties is a local computer network development period. This article introduces the basic characteristics of local network and the working principle of two typical local networks.