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MIA Lecture 1

MIA Lecture 1. Internet Overview and WWW. Points to cover. Internet, WWW and related terms Internet Services Web Browsers Navigating the Internet Using Bookmarks and History Lists Searching information using Search Engines Different searching strategies. World Wide Web. The Web Browser

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MIA Lecture 1

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  1. MIA Lecture 1 Internet Overview and WWW

  2. Points to cover • Internet, WWW and related terms • Internet Services • Web Browsers • Navigating the Internet • Using Bookmarks and History Lists • Searching information using Search Engines • Different searching strategies

  3. World Wide Web The Web Browser Explore the Internet Browse the Internet by Using MSIE Bookmark and History List

  4. The Web Browsers • Netscape Navigator • Microsoft Internet Explorer • NCSA Mosaic (You may find some emulators at http://www.dejavu.org )

  5. Netscape Navigator • Menu bar • URL • Status indicator • WebPages menu bar • WebPages window • Status bar • toolbar

  6. Web Site and Homepage • The WWW consists of a large number of connected web sites • A web site is a group of connected web pages • The linkage between web pages is known as Hyperlink • The first web page in a web site is known as Homepage

  7. HTML (Hyper-Text Markup Language) • Web pages are written with HTML • Files written with HTML will be suffixed by .htm or .html

  8. HTTP and FTP Hypertext • Hyper-Text Transfer Protocol (HTTP) is a type of Protocol • Define how messages are formatted and transmitted between servers and browsers • Use http:// to denote a hyper-text interfaced web page • File transmission Protocol (FTP) is another type of protocol • For the transmission of files • Use ftp:// to denote a FTP interfaced web page • The transmission of FTP is faster than HTTP

  9. Use URL (Universal Resource Locator) • Protocol • Address • Path • In the format protocol://address/path • e.g. http://www.netscape.com/netcenter/cool.html?cp=hom12scul • path is not essential

  10. Hyperlink and Hypertext • Hyperlink is the linkage point to another web page • Hypertext is the word(s) which contain the hyperlink • Hypertext will change color after the linked page has been browsed

  11. Shareware and Freeware • Shareware is software that may be downloaded from the internet for trial • User need to pay after the period of trial if he want to continue the usage • Freeware is software that may be downloaded from the internet and is free to use

  12. Browse the Web Site • http://www.vtc.edu.hk • http://www.cuhk.edu.hk • http://www.hkbu.edu.hk/index.html • http://www.ied.edu.hk • http://cwis.polyu.edu.hk • http://www.oli.hk • http://www.hku.hk

  13. Close " Netscape” • Select “file” • Select “exit” • Closing of browser not equal to disconnecting the network

  14. Using Microsoft IE • Microsoft Internet Explorer • User interface is similar to that of MS Office

  15. Use the History List • History list is used to record the browsed web site of the user • For Netscape: • Select “Communicator” • Select “Tools” • Select “History” • Double-click the web site (short-cut : Ctrl+H)

  16. Use the Bookmark (1) • Add bookmark • For Netscape: • Go to the web page • Select “Communicator” • Select “Bookmarks” • Select “Add Bookmark” • The address will be added to the bookmark

  17. Use the Bookmark (2) • Edit bookmark • Select “Communicator” • Select “Bookmarks” • Select “Edit Bookmarks”

  18. Practical Exercise • Please demonstrate that you are able to browse the homepage of the Hong Kong SAR Government: • http://www.info.gov.hk • Then find out what is the current weather or traffic report.

  19. Net Search (REF: Five types of Recommended Search Tools: http://www.lib.berkeley.edu/TeachingLib/Guides/Internet/ToolsTables.html ) Searching the Internet Using Searching Engine Select Searching Area Net Search by Using MSIE

  20. Internet Search Engine • Netscape • Excite • Infoseek • Lycos • LookSmart • News Search • Alta vista • Yahoo!

  21. Searching by Keyword • Start Netscape • Press “search” • Enter the keyword to be searched • A number of web sites related to the keyword will be listed • Select any of the sites

  22. Searching by Catalog • Select one search engine and enter the site • Select one of the catalogues • Select one of the sub-catalogues and so on

  23. Searching Selected Area • Search by keyword and search by catalogue is done on www • Select particular area to narrow down the area to be searched

  24. Surf and Learn… The World Wide Web at a Glance http://www.learnthenet.com/english/web/000www.htm

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