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

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

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

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

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

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

8 © The McGraw-Hill Companies, Inc Browsers Connect to Internet Read the multimedia pages Use URL as address protocol domain name

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

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

8 © The McGraw-Hill Companies, Inc Global access Basic elements –Header –Message –Signature

8 © The McGraw-Hill Companies, Inc Addresses Domain name system (DNS) Three parts –Domain code –Domain name –User name user name domain code domain name

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

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

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

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

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

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

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

8 © The McGraw-Hill Companies, Inc. 2002