1. The World Wide Web and the Internet How Vast Is Your Virtual Imagination? Chapter 2

2. ©2003 The McGraw-Hill Companies Student Learning Outcomes 1.Describe electronic commerce, the two primary types of e-commerce businesses, and the three primary e-commerce activities. 2.Describe the relationships between Web terms, including Web site, Web page, Web site address (domain name), Web page address (URL), and top-level domain. 3.Contrast the use of directory search engines and true search engines.

3. ©2003 The McGraw-Hill Companies Student Learning Outcomes 4.Describe the various types of Web multimedia formats and the software you need to enjoy Web multimedia. 5.Identify four main options for an Internet service provider and your four choices for a modem.

4. ©2003 The McGraw-Hill Companies Introduction Electronic commerce allows businesses to reach more customers, distribute information quickly, establish strong and lasting relationships, and be innovative in how they perform all types of commerce. However, without the World Wide Web and the Internet this would not be possible.

5. ©2003 The McGraw-Hill Companies 2.1 Electronic Commerce Technology enables you to: –Reach more customers –Distribute information quickly –Establish relationships –Be innovative in commerce functions E-commerce is commerce that is facilitated and enhanced by technology  SimNet Concepts Support CD: “Introduction to the Internet and the World Wide Web”

6. ©2003 The McGraw-Hill Companies Types of E-Commerce Business Brick-and-Mortar Businesses –Physical location only –Performs no e-commerce functions Click-and-Mortar Businesses –Presence in the physical world and a Web site –Web site that supports e-commerce Example: JCPenney

7. ©2003 The McGraw-Hill Companies Types of E-Commerce – cont. Click-and-Order Business (pure plays) –Exists solely on the Web with no physical presence –Example Amazon.com

8. ©2003 The McGraw-Hill Companies Click-And-Mortar Business: JCPenney

9. ©2003 The McGraw-Hill Companies Click-And-Order Business: CD Quest p.2.37 Fig. 2.1

10. ©2003 The McGraw-Hill Companies Business to business (B2B) - Sale of products and services to customers who are primarily other businesses Consumer to consumer (C2C) - Individual sells products and services to another person or individual Types of E-Commerce Activities Business to consumer (B2C) - Sale of products and services to customers who are primarily individuals

11. ©2003 The McGraw-Hill Companies Business to Business (B2B) p. 2.38 Fig 2.2

12. ©2003 The McGraw-Hill Companies Consumer to Consumer (C2C) Individuals sell products and services to other individuals Example – eBay –Click-and-order business –Provides an electronic marketplace  SimNet Concepts Support CD: “B2B and E-Commerce” and “E-Commerce and Shopping Online”

13. ©2003 The McGraw-Hill Companies 2.2 The World Wide Web Internet A vast network of computers that connects millions of people all over the world.Internet A vast network of computers that connects millions of people all over the world. World Wide Web (Web) A multimedia-based collection of information, services, and Web sites supported by the Internet. World Wide Web (Web) A multimedia-based collection of information, services, and Web sites supported by the Internet.

14. ©2003 The McGraw-Hill Companies How Old is the Internet? Began with military research in 1957 Connected computers formed ARPANet in 1969 World Wide Web browsers created in 1991

15. ©2003 The McGraw-Hill Companies Web Sites, Pages, and Addresses Web browser software used to surf the Web Web site specific location on the Web Web page specific portion of a Web site Web site address unique name (domain name) for an entire Web site Web page address unique name (URL) for a Web page within a Web site

16. ©2003 The McGraw-Hill Companies Web Browser Software Two most popular Web browsers are: Microsoft Internet Explorer Netscape Communicator  SimNet Concepts Support CD: “Web Browsers”

17. ©2003 The McGraw-Hill Companies USA Today Web Site Web Site Web Pages p. 2.39 Fig 2.3

18. ©2003 The McGraw-Hill Companies Web Site Hierarchy www.usatoday.com www.usatoday.com/sports/sfront.html www.usatoday.com/sports/tennis/tennis.html

19. ©2003 The McGraw-Hill Companies The Anatomy of a URL  SimNet Concepts Support CD: “Web Pages” p. 2.40 Fig 2.4

20. ©2003 The McGraw-Hill Companies Some Top-Level Domains DomainsDescription ComCommercial or for-profit business EduEducational institution GovU.S. government agency MilU.S. military organization NetInternet administrative organization OrgProfessional or non-profit organization IntInternational treaties organization p.2.40 Fig. 2.4

21. ©2003 The McGraw-Hill Companies Using Search Engines Search Engine –Facility on the Web –Finds Web sites by key word or words Two main types –Directory search engine Yahoo! –True search engine Ask Jeeves

22. ©2003 The McGraw-Hill Companies True Search Engine: Ask Jeeves p. 2.41 Fig. 2-5

23. ©2003 The McGraw-Hill Companies Search Engines Mamma.com – www.mamma.comwww.mamma.com AltaVista – www.altavista.comwww.altavista.com HotBot – www.hotbot.comwww.hotbot.com Lycos –www.lycos.comwww.lycos.com Webcrawler – www.webcrawler.comwww.webcrawler.com  SimNet Concepts Support CD: “Searching for Information on the Internet”

24. ©2003 The McGraw-Hill Companies Enjoying Web Multimedia Web Multimedia –The use of audio, video, animation, and other elements –Allows interactivity on a Web site or page –Helps businesses attract and retain customers  SimNet Concepts Support CD: “Web Utilities: Plug-Ins and Helper Applications”

25. ©2003 The McGraw-Hill Companies Plug-Ins and Players Plug-Ins –Software that works within your browser to play multimedia –If not installed, will get a message –Macromedia Flash, Shockwave Players –Viewers –Software that works outside your browser to play multimedia –Windows Media, Player, RealNetworks RealPlayer

26. ©2003 The McGraw-Hill Companies Plug-Ins & Players p. 2.44 Fig. 2.7 & 2.8

27. ©2003 The McGraw-Hill Companies Multimedia Formats Web Audio –Web audio – all the sounds and music on the Web. –Sounds are.wav (wave) or.au (audio) files –Current browsers come equipped with plug-ins. Web Video –Web video – all the video footage on the Web –QuickTime file formats or Windows AVI format –Can view with plug- ins, QuickTime Media Player, or Windows Media Player

28. ©2003 The McGraw-Hill Companies Multimedia Formats Streaming Media –Continually sends small parts of a large file to your Web browser –Don't have to wait until entire file has been downloaded –Works for audio or video files –Use Windows Media Player, RealNetworks RealPlayer, or QuickTime Player

29. ©2003 The McGraw-Hill Companies Interactive Web Multimedia: Flash Plug-In Flash is software that helps you create animated and interactive Web pages Flash plug-in enables you to view and interact with Flash-based Web pages Designed by Macromedia

30. ©2003 The McGraw-Hill Companies Interactive Web Multimedia: Shockwave Player Shockwave is software that helps you create Web pages with significant interactivity through multimedia Designed by Macromedia Shockwave player enables you to view and interact with Shockwave-based Web pages (shocked pages)

31. ©2003 The McGraw-Hill Companies Interactive Web Multimedia: Virtual Reality Modeling Language VRML allows you to: –Participate in a virtual world in which you have the illusion that you are physically participating in the presentation of the Web multimedia –Displays three-dimensional images, and a VRML player provides you with controls that allow you to turn the 3-D images and view them from different perspectives  SimNet Concepts Support CD: “Virtual Reality and Artificial Intelligence”

32. ©2003 The McGraw-Hill Companies 2.3 The Internet Behind the Web Internet makes the Web possible Internet Technology –Network –Internet backbone –Network access point (NAP) –Network service provider (NSP)  SimNet Concepts Support CD: “Introduction to the Internet and World Wide Web”

33. ©2003 The McGraw-Hill Companies Internet Backbone p. 2.47 Fig. 2.10

34. ©2003 The McGraw-Hill Companies Computers on the Internet Internet server computer (host computer) –Computer that provides information and services to other computers and Internet users –High-end work station, minicomputer, or mainframe Web client computer –Computer used to surf the Internet and access information and services on a server computer –Desktop, notebook, smart phone, PDA, or tablet PC  SimNet Concepts Support CD: “Internet Appliances”

35. ©2003 The McGraw-Hill Companies Types of Servers on the Internet Web server provides information and services to Web surfers FTP server maintains a collection of files that can be downloaded IRC server supports use of discussion groups and chat rooms Mail server provides e-mail services and accounts

36. ©2003 The McGraw-Hill Companies FTP Server: ZDNet p. 2.48 Fig. 2.11

37. ©2003 The McGraw-Hill Companies Information on the Internet Communications protocol –A set of rules that every computer follows to transfer information –Different types of computers handle information in different forms To communicate effectively, computers must have common protocols for moving information among themselves on the Internet

38. ©2003 The McGraw-Hill Companies Internet Protocols TCP/IP http FTP

39. ©2003 The McGraw-Hill Companies Protocols TCP/IP (Transfer Control Protocol/Internet Protocol) –Basic protocol that makes the Internet work Hypertext transfer protocol (http) –Supports movement of info over the Web –To access a Web site, you use TCP/IP and http File transfer protocol (FTP) –Transfer files from one computer to another –Can download a variety of file types

40. ©2003 The McGraw-Hill Companies 2.4 Getting Connected Modem Software ISP Computer Provide Gateway Internet Four things required to get connected to the Internet  SimNet Concepts Support CD: “Connecting to the Internet”

41. ©2003 The McGraw-Hill Companies Options for Internet Service Providers Work Place School Commercial ISP Free ISP  SimNet Concepts Support CD: “Internet Service Providers” and “Connecting to the Internet”

42. ©2003 The McGraw-Hill Companies Commercial ISPs Charge a monthly fee May place a limit on Internet time Provides Web space for your Web site Can offer 24-hour technical support Offers free e-mail, chat rooms, and instant messenger MSN, AOL, and AT&T WorldNet

43. ©2003 The McGraw-Hill Companies Commercial ISP AT&T WorldNet p. 2.51 Fig. 2.12

44. ©2003 The McGraw-Hill Companies Free ISPs Absolutely free May display advertising banners No or limited Web space Limited technical support Popular free ISPs –Freelane, FreeInternet, and Juno

45. ©2003 The McGraw-Hill Companies Free ISP Juno

46. ©2003 The McGraw-Hill Companies Different Types of Modems Telephone modem Digital Subscriber Line (DSL) modem Cable modemSatellite modem

47. ©2003 The McGraw-Hill Companies Telephone Modem A telephone for your computer A device that connects your computer through a phone line to a network Changes the digital computer signal to an analog phone-line signal To access the Internet… –Telephone modem –Phone line –Internet Service Provider –Connectivity software

48. ©2003 The McGraw-Hill Companies Telephone Modems

49. ©2003 The McGraw-Hill Companies More on Telephone Modems Usually built into the motherboard or is an expansion card Generally has two RJ-11 telephone jacks Slowest type of Internet connection –Fastest speed is 56Kbps To get a faster connection use DSL, a cable or satellite modem, or wireless

50. ©2003 The McGraw-Hill Companies Digital Subscriber Line (DSL) A high-speed Internet connection using the phone line Can talk on the phone while surfing the Internet

51. ©2003 The McGraw-Hill Companies DSL Modems 100 times faster than a phone modem “Always on” Can use the same phone line for voice connections If you have a home network with a router, can use the same DSL connection for multiple computers Must live within range of phone company

52. ©2003 The McGraw-Hill Companies Cable Modem Use cable TV wiring Both cable TV and Internet connection travel on one wire –Splitter in home router directs signal –Cable modem attaches to Ethernet card or USB port Between 20 and 100 times faster than a telephone modem

53. ©2003 The McGraw-Hill Companies DSL & Cable p. 2.52-2.53 Fig. 2.13 & 2.14

54. ©2003 The McGraw-Hill Companies Satellite Modem Modem that allows you to get Internet access using a satellite dish (antenna) –Some satellite dishes can give both Internet access and TV reception Satellite modem usually uses a USB port Software comes with the satellite modem

55. ©2003 The McGraw-Hill Companies Connectivity Software for Surfing the Web Software –Connectivity software –Web browser p. 2.54 Fig. 2.15

56. ©2003 The McGraw-Hill Companies E-mail Microsoft Outlook E-mail addresses are unique Typical format is username@orgna me.orgtype

57. ©2003 The McGraw-Hill Companies

58. 2.5 Consumer Q&A 1.What is the Format of an E-mail Address? 2.How Fast Can I Surf the Web? 3.Can I Spend Too Much Time Surfing the Web? 4.How Can I Get My Business Online? 5.Can I Take Advantage of Web E-commerce Using a PDA or Smart Phone?  SimNet Concepts Support CD: “Using E-Mail” and “Web Hosting”

59. ©2003 The McGraw-Hill Companies 2.6 Key Terms Brick-and-mortar business B2B e-commerce B2C e-commerce C2C e-commerce Cable modem Click-and-mortar business Click-and-order business Connectivity software Directory search engine Domain name Digital Subscriber Line (DSL) modem File transfer protocol (FTP)

60. ©2003 The McGraw-Hill Companies 2.6 Key Terms Flash FTP server Internet Internet server computer Internet service provider Internet relay chat Mail server Player Plug-in Satellite modem Shockwave Steaming media TCP/IP Telephone modem

61. ©2003 The McGraw-Hill Companies 2.6 Key Terms True search engine Uniform resource locator Virtual Reality Modeling Language (VRML) Web audio Web browser software Web page Web server Web site Web site address Web video World Wide Web

62. ©2003 The McGraw-Hill Companies Review of Concepts 1.Identifying Servers on a Web Page 2.Matching Technical Terms 3.Comparing the Real World to the Web & Internet  What is the equivalent of the yellow pages? 4.Dissecting a Web Page Address

63. ©2003 The McGraw-Hill Companies Hands On Projects E-Commerce 1.Setting Up a Business on the Web  How do Web hosts advertise your site? 2.Participating in E-Commerce Auctions  Got eBay? 3.Finding an ISP  How much Web space do you need?

64. ©2003 The McGraw-Hill Companies Hands On Projects Ethics, Security & Privacy 1.Finding Social Security Numbers on Deceased People  The law requires it 2.Finding Personal Information on the Web  Could someone find your shoe size? 3.Finding E-Mail Addresses on the Web

65. ©2003 The McGraw-Hill Companies Hands On Projects on the Web 1.Registering a Domain Name  www.whatsyourname.com 2.Finding Maps and Directions  Never be lost again 3.Your School’s Web Site Structure

66. ©2003 The McGraw-Hill Companies Hands On Projects Group Activities 1.Learning about Web Space at Your School 2.Managing Your Cookies  Are Oreos good for your computer? 3.Finding a Regional ISP 4.Connecting to the Web through Your School  How easy is it?