McGraw-Hill/Irwin Copyright © 2007 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 2 The Internet, The Web, and Electronic Commerce

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 Describe Web utilities Page 28

2-3 The Internet and the Web Large network that connects smaller networks globally The Internet, or Net, was Launched in 1969 –National computer network –US funded project called ARPANET World Wide Web or WWW was introduced in 1992 at CERN Page 30

2-4 Common Internet Uses Communicating –Exchange –Discussion Groups Online shopping or e-retailing or e-tailing –Cybermall Searching –Virtual Libraries Entertainment Education or e-learning Page 30

2-5 Providers Common way to access the Internet Commercial Internet Service Providers (ISP) –National Service Providers –Regional Service Providers –Wireless service providers Page 31

2-6 Browsers Programs that provide access to Web resources Allow you to surf the Internet Three well-known browsers –Mozilla Firefox –Netscape Communications –Microsoft Internet Explorer Address or location of the resource must be specified URL Page 32

2-7 URLs Uniform Resource Locators –All URLs have at least two parts Protocol Domain name Locates Web sites Page 33

2-8 More on Browsers Browsers interpret HTML commands –Hypertext Markup Language –Contained in a document Display document as a Web page Page 33

2-9 Communication Most popular Internet activity Types of communication – Address –SpamSpam –Discussion GroupsDiscussion Groups –Instant MessagingInstant Messaging Page 34

2-10 Transmission of electronic messages over the Internet Basic parts –Header Address Subject Attachment –Message –Signature Line Page 34 Return

2-11 Address Page 35 Return

2-12 Spam Page 35 Junk and/or unwanted Computer viruses or destructive programs are often attached to unsolicited CAN-SPAM Act Spam blockers incorporate a myriad of approached to identify and control spam Spam blockers are also referred to as: –Junk mail filters –Anti-spam programs To learn more about anti-spam programs, visit our website at and enter in the key word spamwww.ce2007.com

2-13 Instant Messaging Page 35 Return Is an extension of that provides direct, live communication between two or more people Instant messaging programs also include: –Video conferencing features –File sharing –Remote assistance Most widely used instant messaging services: –AOL’s Instant Messenger –Microsoft’s MSN Messenger –Yahoo Messenger

2-14 Discussion Groups Mailing lists Newsgroups Chat groups Terms Page 36 Return

2-15 Discussion Group Terms Page 37 Return TermDescription FlamingInsulting, putting down, or attacking LurkingReading news but not joining in to contribute RFDRequest for discussion Saint Someone who aids new users by answering questions Thread A sequence of ongoing messages on the same subject Wizard Someone who has comprehensive knowledge about a subject

2-16 Search Tools Search engines Metasearch engines Specialized search engines Tips –Start with the right approach –Be as precise as possible –Use multiple words –Use boolean operators –Check your spelling –Keep Moving Page 40

2-17 Search Engines Specialized programs to assist in locating information Types of searches –Keyword search –Directory search Page 40 Return

2-18 Metasearch Engines Page 41 Return MetasearchSite Dogpilewww.dogpile.com Ixquickwww.ixquick.com Mammawww.mamma.com MetaCrawlerwww.metacrawler.com ProFusionwww.profusion.com Searchwww.search.com

2-19 Specialized Search Engines Page 42 Specialized ServiceSite Environment Fashionwww.infomat.com History Lawwww.llrx.com/guide Medicinewww.medsite.com

2-20 Electronic Commerce Also known as e-commerce Buying and selling of goods over the Internet –Business-to-consumer (B2C) Online banking or e-banking Online stock trading or e-trading Online shopping Web storefronts Web auctions –Consumer-to-consumer (C2C) Auction house sites Person-to-person auction sites –Business-to-business (B2B) Page 42

2-21 Web Storefronts Business-to-consumer e-commerce (B2C) Virtual stores Web storefront creation packages –Also called commerce servers –Help businesses create virtual stores –Allow visitors to register, browse, and make purchase Page 44 Return

2-22 Web Auctions Consumer-to-consumer e-commerce (C2C) Similar to traditional auctions Types –Auction house sites –Person-to-person auction sites Page 45

2-23 Security Payment methods must be fast, reliable, and secure Three basic options –Checks –Credit card –Electronic cash E-cash Cybercash Digital cash Page 45

2-24 Web Utilities Specialized utility programs that make using the internet & web safer and easier –Telnet –FTP –Plug-ins –Filters Page 46 Plug-inSource Acrobat Reader Media Playerwww.microsoft.com QuickTimewww.apple.com RealPlayerwww.real.com Shockwavewww.macromedia.com

2-25 Internet Security Suites Page 48 Plug-inSource Acrobat Reader Media Playerwww.microsoft.com QuickTimewww.apple.com RealPlayerwww.real.com Shockwavewww.macromedia.com Collection of utility programs designed to maintain your security and privacy while on the web –McAfee –Norton

2-26 Filters CyberPatrolwww.cyberpatrol.com ReaderCybersitterwww.cybersitter.com IProtectYou Pro Web Filter Net Nannywww.netnanny.com Safe Eyes Platinumwww.safeeyes.com Page 48

2-27 Careers In IT - Webmasters Page 49 Develop & maintain websites Back-up of the company website, updating resources, and development of new resources Work with the marketing department to increase the site traffic flow

2-28 A Look to the Future Homes of Tomorrow “Smart” appliances in homes will have their own Web page Refrigerators will be able to manage their inventory and automatically order to re-supply Internet cameras, wireless technologies, & high- speed internet will allow you to virtually monitor your home while on travel Downsides? Page 49

2-29 Discuss the uses of the Internet. Which activities have you participated in? Which one do you think is the most popular? Explain the differences between the three types of providers. What are the basic elements of an message? Page 56 Discussion Questions (Page 1 of 2)

2-30 What are the types of discussion groups? Describe any groups you participate in. Describe the different types of search engines. Give an example of the type of search each engine is best for. Page 56 Discussion Questions (Page 2 of 2)