1. CHAPTER THE INTERNET, THE WEB, AND ELECTRONIC COMMERCE 22

2. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-2 Competencies Discuss the origins of the Internet and the Web Describe how to access the Web Discuss Internet communications Describe Internet search tools Discuss electronic commerce Discuss Web utilities

3. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-3 Internet Large network that connects smaller networks Launched in 1969 National computer network US funded project called ARPANET World Wide Web introduced in 1992 at CERN

4. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-4 Internet Applications Communicating Exchange e-mail Chat Shopping Searching Entertainment Education or e-learning

5. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-5 Access Providers Common way to access the Internet Commercial Internet Service Providers (ISP) National Regional Wireless service providers

6. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-6 Browser Basics Programs that provide access to Web resources Allow you to surf the Internet Two well-known browsers Netscape Navigator Microsoft Internet Explorer Address or location of the resource must be specified

7. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-7 URLs Uniform Resource Locator All URLs have at least two parts Protocol Domain name Locates Web sites http://www.mtv.com protocol domain name

8. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-8 More on Browsers Browsers interpret HTML commands Hypertext Markup Language Contained in a document Display document as a Web page

9. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-9 Communication Most popular Internet activity Two types of communication E-Mail Discussion Groups

10. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-10 E-Mail Transmission of electronic messages over the Internet Basic parts Header Address Subject Attachment Message Signature

11. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-11 E-Mail Address

12. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-12 Discussion Groups Mailing lists Newsgroups Chat groups Instant Messaging

13. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-13 Discussion Group Terms TermDescription FlamingInsulting, putting down, or attacking LurkingReading news but not joining in to contribute RFDRequest for discussion SaintSomeone who aids new users by answering questions ThreadA sequence of ongoing messages on the same subject WizardSomeone who has comprehensive knowledge about a subject

14. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-14 Search Tools Search engines Metasearch engines Specialized search engines

15. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-15 Search Engines Specialized programs to assist in locating information Types of searches Keyword search Directory search

16. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-16 Metasearch Engines Metasearch ServiceSite Dogpilewww.dogpile.com Ixquickwww.ixquick.com Mammawww.manna.com MetaCrawlerwww.metacrawler.com ProFusionwww.profusion.com Searchwww.search.com Vivisimowww.vivisimo.com

17. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-17 Electronic Commerce Known as e-commerce Buying and selling of goods over the Internet Business-to-consumer (B2C) Consumer-to-consumer (C2C) Business-to-business (B2B)

18. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-18 Web Storefronts Virtual stores Web storefront creation packages Help businesses create virtual stores Allow visitors to register, browse, and make purchase Also called commerce servers

19. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-19 Web Auctions Consumer-to-consumer e-commerce Similar to traditional auctions Types Auction house sites Person-to-person auction sites

20. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-20 Security Payment methods must be fast, reliable, and secure Three basic options Checks Credit card Electronic cash E-cash Cybercash Digital cash

21. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-21 Web Utilities Telnet FTP Plug-ins Filters Plug-inSource Acrobat Reader www.adobe.com Media Playerwww.microsoft.com QuickTimewww.apple.com RealPlayerwww.real.com Shockwavewww.macromedia.com

22. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-22 A Look to the Future Internet2 A high bandwidth project for media-intensive files Collaboration of universities, the government, and private industry 100 times faster than the Internet Not a separate Internet

23. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-23 Key Terms address (32) Advance Research Project Agency Network (ARPANET) (30) agent (40) applet (33) attachment (34) auction house site (44) bot (40) browser (32) buddy (36) business-to-business (B2B) (43) business-to-consumer (B2C) (43) cable (32) carder (44) Center for European Nuclear Research (CERN) (30)

24. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-24 Key Terms channel (36) chat group (36) client (32) client-server network (32) commerce servers (43) computer virus (34) contact (36) consumer-to-consumer (C2C) (43) cybercash (44) cybermall (30) dial-up (32) digital cash (44) directory search (69) discussion group (36) domain code (32) domain name (32) downloading (46)

25. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-25 Key Terms DSL (32) e-cash (44) e-commerce (42) e-learning (30) electronic cash (44) electronic commerce (42) electronic mail (34) e-mail (34) file transfer protocol (FTP) (46) filter (45) friend (36) header (34) hit (40) host computer (31) hyperlink (33) Hypertext Markup language (HTML) (33)

26. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-26 Key Terms index search (40) instant messaging (IM) (36) Internet (30) Internet Relay Chat (IRC)(36) Internet Service Provider (ISP) (32) Java (32) keyword search (40) link (33) list address (36) location (32) lurking (37) mailing list (36) message (34) metasearch engine (41) national service provider (32) Net (30) newsgroup (36) online (30)

27. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-27 Key Terms person-to-person auction site (44) plug-in (46) protocol (32) provider (31) regional service provider (31) search engine (40) search provider (40) search service (40) server (32) signature line (34) spam (34) specialized search engine (429) spider (40) subject (34) subscription address (36)

28. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-28 Key Terms Surf (32) Telnet (46) Uniform resource locator (URL) (32) uploading (46) UseNet (36) virtual library (30) Web (30) Web auction (43) Web page (33) Web server (33) Web site (33) Web storefront (43) Web storefront creation package (43) Web utility (45) wireless modem (32) wireless service provider (32)

29. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-29 Key Terms World Wide Web (30)WWW (30)

30. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-30 FAQs What is the difference between the Internet and the Web? What is an ISP? What type of program is Microsoft Internet Explorer? I want to shop for items using the Internet. How do I pay for my purchases? What are the advantages of Internet2?

31. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved. 2-31 Discussion Questions Discuss the history of the Internet. List the Internet Service Providers (ISPs) that are available in your area. Describe the advantages of using Instant Messaging (IM). Explain the differences between search engines and metasearch engines. Explain how to use a Web auction.