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国际互联网是用TCP/IP协议将众多的局域网互联在一起而成的覆盖全球的计算机网络。 Internet 70年代起源于美国,80年代进入教育领域,90年代全面发展,现覆盖世界150多个国家,用户高达上亿。Internet于80年代末进入中国教育领域,1995年ChinaNet诞生,开始全面的商业应用,1996年覆盖全国32个省会城市的骨干网建成,用户已达15万之多。 Internet的功能主要体现在通信和双向信息交流两个方面,而
The Internet is a worldwide network of computers that interconnect many local area networks using the TCP / IP protocol. Internet 70 years originated in the United States, 80 years into the field of education, the 90’s all-round development, now covers more than 150 countries in the world, up to hundreds of millions of users. Internet entered the field of education in China in the late 1980s. ChinaNet was born in 1995 and started full-scale commercial application. In 1996, the backbone network covering 32 provincial capitals in China was completed and the number of users reached as many as 150,000. The function of the Internet is mainly reflected in the two aspects of communication and two-way information exchange