1. World Wide Web Library 150 Week 8

2. The Web The World Wide Web is one part of the Internet. No one controls the web Diverse kinds of services accessed via the same interface.

3. Basic Web Vocabulary WWW -World Wide Web Distributed multimedia hypertext system HTML -HyperText Markup Language Language for documents on the WWW HTTP -HyperText Transfer Protocol Set of rules for communication between client & server URL -Uniform Resource Locator Address of an object on the Internet

4. Web Browsers What is a web browser? A web browser is the software that lets you look at information on the world wide web. Examples: Microsoft Explorer Netscape Navigator Mozilla Opera

5. Uniform Resource Locator ( URL) The URL identifies the computer, directory and file where an item is located and the type of protocol needed to read that item..com commercial entity (well, usually...).edu educational institution (US only).gov federal government (US only).org non-profit organization.net network provider.mil military

6. Benefits of Using the Web! Remote access to far away resources 24 hour Access Multimedia Capabilities Alternative Perspectives Current Information

7. Challenges of Using the Web Content Issues Navigation Issues Time-Consuming Experience Difficult to Find Information Size of the WWW No standard vocabulary No comprehensive search engine

8. Tools to Help Search Engines Search engines are computer programs that retrieve and report specified data from their database(s). They use combinations of keywords to retrieve the information. Meta-Search Engines Seach engines that search search engines Directories Directories are categorized listings of topics most frequently searched on the Internet such as News, Weather, Entertainment, Sports, etc. Subject Guides Subject guides are lists of resources also organized by catagories but usually more focused and created by someone with knowledge in the area. Calstate LA Web Search Page

9. Tips for Searching the WWW Pick you search site. Learn to use the site. Choose your words carefully. Vary your spelling Know how to widen your search (OR) Know how to narrow your search (AND & Not) Use many search tools

10. In-Class Exercise How to Critical Evaluate Websites