计算机专业英语电子教案郭敏 计算机专业英语Unit7.pptVIP

Unit 7 Section 2 Passage A ARPAnet NSF www URL Newsgroup WAN TCP/IP SMTP POP NNTP Unit 7 Section 2 Passage B E-forum IWF ISP blacklist AOL search tool automated filter Unit 7 Section 2 Passage B Unlike television broadcasters in the UK who perform the regulation themselves because they need licenses which bind them to a set of rules that dictate what is, and is not, acceptable, on the Internet there is no single editorial body creating or broadcasting the material: It comes from millions of companies and individual users and is hosted in millions of locations. One of the real challenges when it comes to content regulation on the Internet is deciding who makes these editorial judgments. It is also difficult to regulate content produced largely outside the jurisdiction of the UK legal system. Given the global nature of the Internet, rules won’t cover most of the content. Regulating the Internet may not be so effective as that for broadcast. Unit 7 Section 2 Passage B Some believe that automated filters should be used to limit access to offensive or harmful content just as the IWF’s blacklist is used to block illegal sites. The pressure group Media March, demanded that computers should be sold with a “default setting” to filter adult content. It cited the Chinese government’s censored Internet access as an example of effective filtering, while pointing out the limits of filtering for the “promise of security” could not necessarily be fulfilled. The obvious alternative to automated filters is human intervention. Another common suggestion when discussing the protection of children online is that parents should take responsibility, either by supervising their Internet access or setting out rules. However, relying on parents alone may further disadvantage the most at-risk children, thus proving an ineffective way to protect those who need it most. Unit 7 Section 2 Passage B Still others suggest that intermediaries, such as ISPs and search providers, should be at least