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特网(INTERNET)是目前世界上最大的计算机网络,更确切地说是网络的网络,因特网的作用是把一个个单独的网络联系在一起,让网络上的信息能够被使用网络的所有人员共享。其前身是美国国防部高级研究计划署于1969年建立的军用网络ARPANET。经过20多年的发展,如今因特网已经成为通达150多个国家和地区的国际性网络,网上用户有8000万之多,同时它又正以人们难以想象的速度不断发展着,扩充着。从另一个角度讲,因特网也可以称为当今全球最大的一个传播媒体,有人称之为继报刊、广播、电视之后的第四类媒体。事物的发展似乎总是后来者居上,第四类媒体的优势极具吸引力。首先是速度快,时效性强,它不受印刷、运输、发行等因素有限制,信息上网的瞬
INTERNET is currently the world’s largest computer network, and more precisely a network of networks. The role of the Internet is to link individual networks together so that the information on the network can be shared by all people who use the network. . Its predecessor was the military network ARPANET established by the US Department of Defense Advanced Research Projects Agency in 1969. After more than 20 years of development, the Internet has now become an international network of access to more than 150 countries and regions. There are as many as 80 million online users. At the same time, it is evolving at an unimaginable rate. From another point of view, the Internet can also be called the world’s largest media today. Some people call it the fourth type of media after newspapers, radio and television. The development of things seems to always be the later. The advantage of the fourth type of media is very attractive. The first is speed, timeliness, it is not limited by factors such as printing, transportation, distribution, etc.