（本科）新编大学英语写作revised Appendix 2 using online resourcesppt课件（全）

1、新编大学英语写作revised Appendix 2 using online resources 新编大学英语写作College Writing：A New Course BookAppendix 2 Using Online Resources In this part you will learn how to get instant access to documents and materials on topics through the Internet. Individual Websites Subject Directories Search engines Teachin

2、g ObjectivesIndividual Websites With the Internet address of a site, you can just type the Uniform Resource Locator （URL） or Web address into your browser window to access the site.http:/.hk/english/index.html Note: Anetwork protocol defines rules and conventions for communication between network de

3、vices.WWWWorld Wide WebFTPFile Transfer ProtocolHTTP the Hypertext Transfer ProtocolTCP Transport Control ProtocolSubject DirectoriesWhat is subject directories? subject directories include human-selected Internet resources and are arranged and classified in hierarchical topics. Features: are create

4、d and maintained by the directorys staff allow you to browse Internet resources by different subject categories enable you to search by keywords within the contents of the directoriesAcademic websites: The Librarians Index （/ ） The WWW Virtual Library （.uk/ ） INFOMINE （/ ）Business websites: CNBC (Co

5、nsumer News and Business Channel ) Market Watch(/ )Periodicals & texts: Springer ERIC （education related source）Search Engines What is a search engine?A program that uses software called spiders to catalog the Web pages automatically and compiles a database of pages found. When search terms are ente

6、red, the search engine scans the database for specified keywords and returns a list of Web pages where the keywords were found.Google, Bing, MSN, Excite, Ask Jeeves, AltaVistaNote: These Web pages are usually presented in ranked order, with the most relevant to your search terms appearing first.Crit

7、eria for evaluating information There is no monitoring on the accuracy of information available on the Web, therefore, you should be using the following criteria for evaluating information from the Web: 1. Accuracy and Authority Is it a reliable source? Is authors credential available?2. Currency e.

8、g. active links, revised date, publication date3. Scope and Relevance What is covered and in what detail? Is the site related to your research needs? 4. Objectivity Balanced viewpoints? Any biased opinions? In many cases, checking the type of domain may reveal some information about the website. To

9、decide if a host is reliable, you can check to which organization the domain name is registered to. (Note: Domain is the three-letter extension of the URL)DomainsHostsExamplesAuthority/R,.biz, .infoBusiness.hkMay be used as a marketing tool to sell products or Educational institutions.hk Usually reliable unless its a personal homepage published by a member of the institution.g