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Extended Learning Module E The World Wide Web and the Internet

Extended Learning Module E The World Wide Web and the Internet. Main Map. World Wide Web Search Engines Internet Technologies Connecting to the Internet. World Wide Web. World Wide Web  Search Engines Internet Technologies Connecting to the Internet. World Wide Web.

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Extended Learning Module E The World Wide Web and the Internet

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  1. Extended Learning Module E The World Wide Web and the Internet Management Information Systems for the Information AgeSecond Canadian Edition

  2. Main Map • World Wide Web • Search Engines • Internet Technologies • Connecting to the Internet Management Information Systems for the Information AgeSecond Canadian Edition

  3. World Wide Web • World Wide Web • Search Engines • Internet Technologies • Connecting to the Internet Management Information Systems for the Information AgeSecond Canadian Edition

  4. World Wide Web • World Wide Web, or Web - a multimedia-based collection of information, services, and Web sites supported by the Internet. • Internet - a vast network of computers that connects millions of people all over the world. Management Information Systems for the Information AgeSecond Canadian Edition

  5. World Wide WebWeb Sites, Addresses, and Pages • Web site - a specific location on the Web where you visit, gather information, and perhaps even order products. • Web site address - a unique name that identifies a specific site on the Web. • Domain name - identifies a specific computer on the Web and the main page of the entire site. Management Information Systems for the Information AgeSecond Canadian Edition

  6. World Wide WebWeb Sites, Addresses, and Pages • Web page - a specific portion of a Web site that deals with a certain topic. • URL (uniform resource locator) - an address for a specific Web page or document within a Web site. • Link (hyperlink) - is clickable text or an image that takes you to another site or page on the Web. Management Information Systems for the Information AgeSecond Canadian Edition

  7. World Wide WebWeb Sites, Addresses, and Pages Figure E.1The Globe and Mail Web Site and its Sports Web Pagepage 454 Management Information Systems for the Information AgeSecond Canadian Edition

  8. World Wide WebUnderstanding Addresses • Top-level domain - the last three-letters of a Web site address. Top-level domains include: • com – commercial or for-profit business • edu – educational institution • gov – U.S. government agency • mil – U.S. military organization • net – Internet administrative organization • org – professional or non-profit organization • int – International treaties organization • info – general information • biz – business • name – personal • pro – Accountants, doctors, and lawyers, to start Management Information Systems for the Information AgeSecond Canadian Edition

  9. World Wide WebUnderstanding Addresses • www.priceline.com - “com” means that Priceline is a commercial organization • www.uts.edu.au • “edu” means that UTS is an educational institution. • “au” means that country of origin is Australia. Management Information Systems for the Information AgeSecond Canadian Edition

  10. World Wide WebUsing Web Browser Software • Web browser software - enables you to surf the Web. • The most popular Web browsers today are: • Internet Explorer • Netscape Communicator. Management Information Systems for the Information AgeSecond Canadian Edition

  11. World Wide WebUsing Web Browser Software Figure E.2Understanding Addressespage 455 Management Information Systems for the Information AgeSecond Canadian Edition

  12. World Wide WebUsing Web Browser Software Figure E.3The Internet Explorer Browser Windowpage 456 Management Information Systems for the Information AgeSecond Canadian Edition

  13. Search Engines • World Wide Web • Search Engines • Internet Technologies • Connecting to the Internet Management Information Systems for the Information AgeSecond Canadian Edition

  14. Search Engines • Search engine - a facility on the Web that helps you find sites with the information and/or services you want. • Directory search engine - organizes listings of Web sites into hierarchical lists. • True search engine - uses software agent technologies to search the Internet for key words and then places them into indexes. Management Information Systems for the Information AgeSecond Canadian Edition

  15. Search Engines • Who won the Academy Awards in 2002? • You can find this information with either a directory or true search engine. Management Information Systems for the Information AgeSecond Canadian Edition

  16. Search EnginesUsing a Directory Search Engine Figure E.5Using a Directory Search Enginepage 459 Management Information Systems for the Information AgeSecond Canadian Edition

  17. Search EnginesUsing a Directory Search Engine • (+) limits a search to finding sites that includes each word preceded with a + sign. • (-) limits a search to finding sites that does not include each word preceded by a – sign. Management Information Systems for the Information AgeSecond Canadian Edition

  18. Search EnginesUsing a True Search Engine Figure E.6Using a True Search Enginepage 460 Team Work Finding and Using Search Engines Management Information Systems for the Information AgeSecond Canadian Edition

  19. Internet Technologies • World Wide Web • Search Engines • Internet Technologies  • Connecting to the Internet Management Information Systems for the Information AgeSecond Canadian Edition

  20. Internet TechnologiesThe Internet Backbone • Internet backbone - the major set of connections for computers on the Internet. Management Information Systems for the Information AgeSecond Canadian Edition

  21. Internet TechnologiesThe Internet Backbone Figure E.7The Internet Backbone in Canadapage 462 Management Information Systems for the Information AgeSecond Canadian Edition

  22. Internet TechnologiesThe Internet Backbone • Network access point (NAP) - a point on the Internet where several connections converge. • Network service provider (NSP) - owns and maintains routing computers at NAPs and even the lines that connect the NAPs to each other. • MCI or AT&T Management Information Systems for the Information AgeSecond Canadian Edition

  23. Internet TechnologiesInternet Service Providers • Internet service provider (ISP) - a company that provides individuals, organizations, and businesses access to the Internet. • AOL (commercial) and Juno (free) Management Information Systems for the Information AgeSecond Canadian Edition

  24. Internet TechnologiesInternet Servers Figure E.8Servers on the Internetpage 463 Management Information Systems for the Information AgeSecond Canadian Edition

  25. Internet TechnologiesInternet Servers • Internet server computer - provides information and services on the Internet. • Web server - provides information and services to Web surfers. • Mail server - provides e-mail services and accounts. Management Information Systems for the Information AgeSecond Canadian Edition

  26. On Your Own Using a Web Portal Internet TechnologiesInternet Servers • ftp (file transfer protocol) server - maintains a collection of files that you can download. • IRC (Internet Relay Chat) server - supports your use of discussion groups and chat rooms. Management Information Systems for the Information AgeSecond Canadian Edition

  27. Internet TechnologiesCommunications Protocols • Communications protocol (protocol) - a set of rules that every computer follows to transfer information. • TCP/IP • http • ftp Management Information Systems for the Information AgeSecond Canadian Edition

  28. Internet TechnologiesCommunications Protocols • TCP/IP, or transport control protocol/Internet protocol, - transmits information over the Internet. • Hypertext transfer protocol (http) - supports the movement of information over the Web, essentially from a Web server to you. • File transfer protocol (ftp) - allows you to transfer files of information from one computer to another. Management Information Systems for the Information AgeSecond Canadian Edition

  29. Connecting to the Internet • World Wide Web • Search Engines • Internet Technologies • Connecting to the Internet Management Information Systems for the Information AgeSecond Canadian Edition

  30. Connecting To The Internet • What ISP should you choose? • Do you need Web space - a storage area where you keep your Web site? • Is great technical support important? • Is money a serious consideration? • Is privacy important to you? Management Information Systems for the Information AgeSecond Canadian Edition

  31. Connecting To The Internet Figure E.9Juno is a Popular Free ISPpage 465 Management Information Systems for the Information AgeSecond Canadian Edition

  32. Connecting To The InternetCommunications Software • Connectivity software – enables you to use your computer to “dial up” or connect to another computer. • Web browser software – enables you to surf the Web. • E-mail software, (short for electronic mail software) - enables you to electronically communicate with other people by sending and receiving e-mail. Management Information Systems for the Information AgeSecond Canadian Edition

  33. Team Work Evaluating ISP Options Connecting To The Internet Management Information Systems for the Information AgeSecond Canadian Edition

  34. Connecting To The InternetTelecommunications Hardware • Telephone modem – a device that connects your computer to your phone line so that you can access another computer or network. • Digital Subscriber Line (DSL) modem – a high-speed Internet connection using phone lines, which allows you to use your phone line for voice communication at the same time. Management Information Systems for the Information AgeSecond Canadian Edition

  35. Connecting To The InternetTelecommunications Hardware • Cable modem – a device that uses your TV cable to deliver an Internet connection. • Satellite modem – a modem that allows you to get Internet access from your satellite dish. Management Information Systems for the Information AgeSecond Canadian Edition

  36. Connecting To The InternetTelecommunications Hardware Figure E.10DSL Modem Connectionpage 467 Management Information Systems for the Information AgeSecond Canadian Edition

  37. Summary Student Learning Outcomes • Define the relationships among Web site, Web site address, domain name, Web page, and uniform resource locator (URL). • Explain how to interpret the parts of an address on the Web. • Identify the major components and features of Web browser software. • Describe the differences between directory and true search engines. Management Information Systems for the Information AgeSecond Canadian Edition

  38. Summary Student Learning Outcomes • Describe the various technologies that make up the Internet. • Identify key considerations in choosing an Internet service provider (ISP). • Describe the communications software and telecommunications hardware you need to connect to the Internet. Management Information Systems for the Information AgeSecond Canadian Edition

  39. SummaryAssignments and Exercises • Find these on the Internet • What is the weight of the moon? • Who was the first Canadian billionaire? • Who is Olive Oyl’s brother? • Who wrote “It was the best of times, it was the worst of times …”? • What does the Seine river empty into? • What is a lacrosse ball made of? Management Information Systems for the Information AgeSecond Canadian Edition

  40. SummaryAssignments and Exercises • Find these on the Internet • Who lives at 39 Stone Canyon Drive? • What is the colour of Mr. Spock’s blood? • At what did the S&P/TSX 300 stock market close yesterday? • What is the most frequently broken bone in the human body? • What is a pregnant goldfish called? Management Information Systems for the Information AgeSecond Canadian Edition

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