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Introduction to the Internet and the Web

Learn about the origins of the Internet and the Web, how to access and navigate the Web, communication tools like email and instant messaging, search tools, electronic commerce, and Web utilities.

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Introduction to the Internet and the Web

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  1. Chapter 2 The Internet, The Web, and Electronic Commerce

  2. Key Words & Terms • address: 地址 • Advance Research Project Agency Network (ARPANET): 高级研究项目代理网络 • applets: Java程序 • attachment: 附件 • auction house site: 拍卖网站 • bot: 代理程序 • browser: 浏览器 • buddy: 好友 • business-to-business (B2B): 商家对商家 • business-to-consumer (B2C): 商家对消费者 • cable: 电缆 • carder: 信用卡盗用者 • Center for European Nuclear Research (CERN): 欧洲核能源研究中心 • computer virus: 计算机病毒 • consumer-to-consumer(C2C): 消费者对消费者

  3. e-mail: 电子邮件 file transfer protocol (FTP): 文件传输协议 filter: 过滤器 friend: 好友 header: 邮件头 hit: 点击 Hyperlink: 超文本链接 Hypertext Markup Language (HTML): 超文本链接标记语言 Key Words & Terms • dial-up: 拨号 • digital cash: 电子货币 • directory search: 目录搜索 • domain name: 域名 • downloading: 下载 • DSL: 美国网络公司 • e-commerce:电子商务 • e-learning: 网络学习 • electronic commerce: 电子商务 • electronic mail: 电子邮件

  4. location: 位置（地址） message: 消息 metasearch engine: 原搜索引擎 national service provider: 国家网络服务中心 online: 在线 online banking: 网上银行 online stock trading: 网上股票交易 Key Words & Terms • instant messaging (IM): 即时消息 • Internet: 互联网 • Internet security suite: 网络安全包 • Internet service provider (ISP): 网络服务供应商 • Java: 一种高级语言 • keyword search: 关键词搜索 • link: 链接

  5. spam blocker:垃圾邮件拦截器 specialized search engine: 专用搜索引擎 spider: 代理程序 subject: 主题 surf: （网上）冲浪 top-level domain (TLD): 顶层域名 Uniform resource locator (URL): 统一资源定位 Key Words & Terms • person-to-person auction site: 个人对个人拍卖网站 • plug-in: 插件 • protocol: 协议 • search engine: 搜索引擎 • search service: 搜索服务 • signature line: 落款 • social networking: 社会网络 • spam: 垃圾邮件

  6. Web page: 网页 Web utility: 网络工具 wireless modem: 无线modem wireless service provider: 无线网络服务中心 Key Words & Terms • universal instant messenger: 通用即时消息软件 • uploading: 上载 • Web: 万维网 • Web auction: 网络拍卖 • Web-based application: Web应用 • Web-based service: Web服务 • Webmaster: 网站管理员

  7. Competencies (1 of 2) • Discuss the origins of the Internet and the Web • Describe how to access the Web using providers and browsers • Discuss Internet communications, including e-mail, instant messaging, and social networking Page 28

  8. Competencies(2 of 2) • Describe search tools, including search engines and metasearch engines • Discuss electronic commerce, including B2C, C2C, B2B, and security • Describe Web utilities: Web-based applications, FTP, plug-ins, and filters Page 28

  9. Introduction • The Internet is often referred to as the Information Superhighway because it connects millions of people across the globe. • Unlike a typical highway, the Internet moves idea and information. • The Web provides an easy-to-use, intuitive interface to connect to the Internet and is used by millions of people every day. Page 29

  10. The Internet and the Web • Large network that connects smaller networks globally • The Internet was Launched in 1969 • National computer network • US funded project called ARPANET • World Wide Web or WWW was introducedin 1992 at CERN Page 30

  11. Common Internet Uses • Communicating • Exchange e-mail • Discussion Groups • Online shopping • Searching • Virtual Libraries • Entertainment • Education or e-learning Page 30

  12. Internet Access Providers • Common way to access the Internet • Commercial Internet Service Providers (ISP) • National Service Providers • Regional Service Provider • Wireless serviceproviders Page 31

  13. Browsers • Programs that provide access to Web resources • Allow you to surfthe Internet • Three well-known browsers • Mozilla Firefox • Netscape Communications • Microsoft Internet Explorer • Address or location of the resource must be specified • URL Page 31

  14. URLs • Uniform Resource Locators • All URLs have at least two parts • Protocol • Domain name • Locates Web sites Page 32

  15. More on Browsers • Browsers interpret HTML commands • Hypertext Markup Language • Contained in a document • Display document as a Web page Page 33

  16. Communication • Most popular Internet activity • Types of communication • Electronic Mail (E-Mail) • E-Mail Address • Spam • Instant Messaging • Social Networking Page 33

  17. Spam • Junk and/or unwanted Email • Computer viruses or destructive programs are often attached to unsolicited email • 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 Return Page 35

  18. 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 Page 37

  19. Electronic Commerce • Also known as e-commerce • Buying and selling of goods over the Internet • Business-to-consumer (B2C) • Consumer-to-consumer (C2C) • Web auctions • Business-to-business (B2B) Page 42

  20. Business to Consumer • Fastest growing type of e-commerce • Three most widely used B2C applications: • Online banking • Financial trading • Shopping Return Page 43

  21. Consumer to ConsumerWeb Auctions • Consumer-to-consumer e-commerce (C2C) • Similar to traditional auctions • Types • Auction house sites • Person-to-person auction sites Page 44

  22. Business to Business • Involves the sale of a product or service from one business to another (B2B) • Primarily a manufacturer supplier relationship Page 43

  23. Security • Payment methods must be fast, reliable, and secure • Three basic options • Checks • Credit card • Digital cash Page 44

  24. Web Utilities • Specialized utility programs that make using the internet & web safer and easier • Web-based applications • FTP • Plug-Ins • Filters • Internet Security Suites Page 46

  25. Plug-Ins Return Page 48

  26. Filters Return Page 47

  27. Internet Security Suites • Collection of utility programs designed to maintain your security and privacy while on the web • McAfee • Norton Page 48

  28. Careers In IT - Webmasters • 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 Page 49

  29. A Look to the FutureHomes 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 Page 50

  30. Discussion Questions (Page 1 of 2) • Discuss the uses of the Internet. Which activities have you participated in? Which one do you think is the most popular? • What are the basic elements of an e-mail message? Page 57

  31. Discussion Questions (Page 2 of 2) • What is social networking? Describe the three types of social networking sites. • Describe the different types of search engines. Give an example of the type of search each engine is best for. Page 57

  32. Crossword Puzzle Answers:

  33. Answers for Multiple Choice and Matching

  34. The End of Chapter 2

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