1. Internet Information ISYS 105B

2. What is the Internet? Comprised of network of computers Started in 1969 by U.S. Defense Dept.

3. Definitions Internet World Wide Web (WWW) Web Site Web Page IP Address Domain Names URL

4. Purposes of a Web Site E-Commerce Conduct business Sell products and services online Amazon.com Nordstom.com Communicate with other businesses

5. Purposes of a Web Site (continued) Personal Uses Conduct personal research Post messages on bulletin boards Send and receive e- mail Visit with friends in chat rooms

6. Purposes of a Web Site (continued) Information Purposes Non-profit organizations Weather News

7. Internet Requirements Internet Service Provider (ISP) American Online (AOL) CompuServe USWest Web Browser (to move around Internet) Internet Explorer Netscape Communicator Search Engine

8. Web Site Credibility Businesses and Corporations Advocate Groups Reviewers

9. URL Uniform Resource Locator Identifies Internet locations http://www.microsoft.com Hypertext Transfer Protocol Web Server Domain

10. Domains.com.edu.gov.net.org

11. Cookies Definition How they get there How to delete them

12. Secured Site Two indications that ensure confidential data https security button (lock)

13. Error Messages DNS entry not found The requested source could not be found Server busy

14. Reasons for Error Messages Mistyped URL Web site server busy Web page no longer exists

15. Browser Interface Internet Explorer Netscape Navigator

16. Hypertext Markup Language (HTML) Inserted as codes. Tells browser how to display documents Hyperlinks Text (underlined and different color) Image

17. Let’s go to the Web! 1. Start 2. All Programs 3. Internet Tools 4. Internet Explorer