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21世纪是计算机网络的世界,“计算机即网络,网络即计算机”已经成为21世纪人们的共识。因而,人们对当前全球最大的计算机网络Internet格外关注和青睐。 Internet是本世纪60年代由美国国防部建立,80年代成为国际互联网的。它发展极快,至今上Internet网的国家已达150多个,网上连接的计算机超过6000万台。我国使用Internet网最早是在1986年,目前联网的计算机已超过10万台。 Internet是全球最大的信息资源库,是人类巨大的财富。Inter-
The 21st century is the world of computer networks. The concept of “computer as network and network as computer” has become the consensus of people in the 21st century. Therefore, people are paying close attention and favor to the current world’s largest computer network. The Internet was established by the U.S. Department of Defense in the 1960s and became the Internet in the 1980s. Its rapid development has so far reached more than 150 countries on the Internet, over 60 million computers connected to the Internet. The earliest use of Internet in our country was in 1986, at present, the number of connected computers has exceeded 100,000. Internet is the world’s largest repository of information, is a huge human wealth. Inter-