CHAPTER 9 Using the World Wide Web
OBJECTIVES 1.Describe the Internet and the World Wide Web 2.Define related Internet terms 3.Explain the components of a World Wide Web address 4.Identify the hardware and software that are needed to connect to the Internet
OBJECTIVES 5.User browsers to explore the World Wide Web 6.Download files from the Internet 7.Describe the Web page creation process and the healthcare professional’s role in it
THE INTERNET Structure Internet Backbone Control The Internet Society (ISOC) The Internet Architecture Board (IAB) The Internet Engineering Task Force (IETF) The World Wide Web Consortium (W3C) Backbone ISPs The Internet Assignment Numbers Authority (IANA)
THE INTERNET Protocols The World Wide Web Services on the Internet Connecting to the Internet Computer
Network Connection Broadband Modems Dial-up Modems DSL Modems Cable Modems Satellite Wireless router
Cards and Adapters Wireless Card Network Card USB Cellular Modem
Access Providers Internet Service Providers Free Internet Access Temporary Access for a Fee Company or Institutional Access
Software User IDs and Passwords Understanding Addressing IP Addresses Domain Names URLs
Using Web Browsers The software program that is used to display Web pages on the World Wide Web Browzar Allows you to surf the Internet without leaving traces on the computer Orientation to Internet Explorer and Firefox Main Elements of a Browser The Toolbar
Starting the Browser Browsing or Surfing the Net Using the History List Printing a Web Page Saving a Web Page Creating a Bookmark or Favorite
Managing Internet Files Cookies Files designed to recognize the visitor when returning to a Web site Temporary Internet Files Files sent to the computer to speed up the loading of graphics files when visited multiple times History Files Keep tract of where you have been on the Web
Search Sites and Searching How to use search sites: Hits Query Ranking Robots Search Site Issues and the Invisible Web Current search engines are limited in what they can index Editorial policies databases
Search Site Issues and the Invisible Web Accessing Search Sites Transferring Files Downloading files Uploading files
Retrieving Files from the Internet Know what you want to download Keep security in mind Know the system requirements for the file Obey copyright laws
Creating and Evaluating Web Pages Creating Web Pages Decide what is to be accomplished with this site Identify the target audience to help focus the design and content Develop a site map showing the relationship between the parts Develop criteria for inclusion of content Decide who will be responsible for maintaining each part of the site Decide on the design that best presents the content
Creating and Evaluating Web Pages Consider differences in user resources Design a template or layout to use Use graphics and sound as appropriate Keep graphics reasonable in size Select colors carefully
HTML Files The Hypertext Markup Language (HTML) Provides a mechanism for displaying text and graphics-based documents in Web browsers Tools for creating HTML documents: ASCII Editors HTML Converter programs HTML Editors