1. 8 88 CHAPTER The Internet, the Web, and Electronic Commerce

2. 8 © The McGraw-Hill Companies, Inc. 2002 Objectives 1.Internet and Web Resources 2.Communication 3.Search Tools 4.Electronic Commerce 5.Web Utilities 6.Inter-, Intra- and Extranets

3. 8 © The McGraw-Hill Companies, Inc. 2002 Internet Global communication Moves ideas and information Cyberspace ARPANET (1969) World Wide Web (1992 at CERN)

4. 8 © The McGraw-Hill Companies, Inc. 2002 Internet Applications Communicating Shopping Researching Entertainment

5. 8 © The McGraw-Hill Companies, Inc. 2002 Access Providers Internet service providers (ISP) –National –Regional Wireless service providers

6. 8 © The McGraw-Hill Companies, Inc. 2002 Browsers Basics Connection to Internet Allows navigation Displays Web pages –T–Text –G–Graphics

7. 8 © The McGraw-Hill Companies, Inc. 2002 Browsers Connect to Internet Read the multimedia pages Use URL as address http://wwww.eatright.org protocol domain name

8. 8 © The McGraw-Hill Companies, Inc. 2002 Navigation Searching – Surfing –Category –Topic –Key word(s) Browsing –.com –.org –.net

9. 8 © The McGraw-Hill Companies, Inc. 2002 Web Portals Variety of services Links Horizontal and vertical

10. 8 © The McGraw-Hill Companies, Inc. 2002 E-mail Global access Basic elements –Header –Message –Signature

11. 8 © The McGraw-Hill Companies, Inc. 2002 E-mail Addresses Domain name system (DNS) Three parts –Domain code –Domain name –User name dcoats@usc.edu user name domain code domain name

12. 8 © The McGraw-Hill Companies, Inc. 2002 Discussion Groups Mailing lists Newsgroups Chat groups Instant Messaging

13. 8 © The McGraw-Hill Companies, Inc. 2002 Mailing Lists Sign up Messages sent Unsubscribe

14. 8 © The McGraw-Hill Companies, Inc. 2002 Search Tools Search engine –Database using key words Search directory –Category and subcategory

15. 8 © The McGraw-Hill Companies, Inc. 2002 Electronic Commerce B2C, C2C, and B2B Web storefronts Web auctions Electronic payment

16. 8 © The McGraw-Hill Companies, Inc. 2002 Web Utilities Telnet FTP Plug-Ins Helper Apps

17. 8 © The McGraw-Hill Companies, Inc. 2002 Organization Internets Internets –Private within organization Extranets –Private that connect more than one org Firewalls –Security system for organization networks

18. 8 © The McGraw-Hill Companies, Inc. 2002 Internet2 Limited access More costly High speed Primary beneficiaries –Federal Government –Major corporations

19. 8 © The McGraw-Hill Companies, Inc. 2002