extended learning module e the world wide web and the internet

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Management Information Systems Management Information Systems for the Information Agefor the Information Age

Second Canadian EditionSecond Canadian Edition

Copyright 2004 Copyright 2004 The McGraw-Hill Companies, Inc. The McGraw-Hill Companies, Inc.

All rights reservedAll rights reserved

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Extended Learning Module EExtended Learning Module E

The World Wide Web and the The World Wide Web and the InternetInternet

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Main MapMain Map

World Wide WebWorld Wide Web Search EnginesSearch Engines Internet TechnologiesInternet Technologies Connecting to the InternetConnecting to the Internet

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World Wide WebWorld Wide Web


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World Wide WebWorld Wide Web, or , or Web -Web - a multimedia-based a multimedia-based collection of information, services, and Web sites collection of information, services, and Web sites supported by the Internet. supported by the Internet.

InternetInternet - a vast network of computers that - a vast network of computers that connects millions of people all over the world. connects millions of people all over the world.

World Wide WebWorld Wide Web

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World Wide WebWorld Wide WebWeb Sites, Addresses, and PagesWeb Sites, Addresses, and Pages

Web siteWeb site - a specific location on the Web where you visit, - a specific location on the Web where you visit, gather information, and perhaps even order products. gather information, and perhaps even order products.

Web site addressWeb site address - a unique name that identifies a - a unique name that identifies a specific site on the Web. specific site on the Web.

Domain nameDomain name - identifies a specific computer on the Web - identifies a specific computer on the Web and the main page of the entire site. and the main page of the entire site.

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Web pageWeb page - a specific portion of a Web site that deals - a specific portion of a Web site that deals with a certain topic. with a certain topic.

URLURL ( (uniform resource locatoruniform resource locator) - an address for a ) - an address for a specific Web page or document within a Web site. specific Web page or document within a Web site.

LinkLink ( (hyperlinkhyperlink) - is clickable text or an image that ) - is clickable text or an image that takes you to another site or page on the Web.takes you to another site or page on the Web.

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Figure E.1Figure E.1The Globe and The Globe and Mail Web Site Mail Web Site and its Sports and its Sports Web PageWeb Pagepage 454page 454

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World Wide WebWorld Wide WebUnderstanding AddressesUnderstanding Addresses

Top-level domain - Top-level domain - the last three-letters of a Web site address. Top-level the last three-letters of a Web site address. Top-level domains include:domains include:

com – commercial or for-profit businesscom – commercial or for-profit business edu – educational institutionedu – educational institution gov – U.S. government agencygov – U.S. government agency mil – U.S. military organizationmil – U.S. military organization net – Internet administrative organizationnet – Internet administrative organization org – professional or non-profit organizationorg – professional or non-profit organization int – International treaties organizationint – International treaties organization info – general informationinfo – general information biz – businessbiz – business name – personalname – personal pro – Accountants, doctors, and lawyers, to startpro – Accountants, doctors, and lawyers, to start

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World Wide WebWorld Wide WebUnderstanding AddressesUnderstanding Addresses

www.priceline.com - “com” means that Priceline www.priceline.com - “com” means that Priceline is a commercial organizationis a commercial organization

www.uts.edu.au www.uts.edu.au ““edu” means that UTS is an educational institution.edu” means that UTS is an educational institution. ““au” means that country of origin is Australia.au” means that country of origin is Australia.

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World Wide WebWorld Wide WebUsing Web Browser SoftwareUsing Web Browser Software

Web browser softwareWeb browser software - enables you to surf - enables you to surf the Web. the Web.

The most popular Web browsers today are:The most popular Web browsers today are: Internet Explorer Internet Explorer Netscape Communicator. Netscape Communicator.

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Figure E.2Figure E.2Understanding Understanding AddressesAddressespage 455page 455

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Figure E.3Figure E.3The Internet The Internet Explorer Explorer Browser Browser WindowWindowpage 456page 456

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Search EnginesSearch Engines


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Search engineSearch engine - a facility on the Web that helps you find - a facility on the Web that helps you find sites with the information and/or services you want. sites with the information and/or services you want.

Directory search engineDirectory search engine - organizes listings of Web - organizes listings of Web sites into hierarchical lists. sites into hierarchical lists.

True search engineTrue search engine - uses software agent technologies - uses software agent technologies to search the Internet for key words and then places to search the Internet for key words and then places them into indexes. them into indexes.

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Who won the Academy Awards in 2002?Who won the Academy Awards in 2002?

You can find this information with either a You can find this information with either a directory or true search engine.directory or true search engine.

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Search EnginesSearch EnginesUsing a Directory Search EngineUsing a Directory Search Engine

Figure E.5Figure E.5Using a Using a Directory Directory Search EngineSearch Enginepage 459page 459

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Search EnginesSearch EnginesUsing a Directory Search EngineUsing a Directory Search Engine

(+) limits a search to finding sites that includes (+) limits a search to finding sites that includes each word preceded with a + sign.each word preceded with a + sign.

(-) limits a search to finding sites that does not (-) limits a search to finding sites that does not include each word preceded by a – sign.include each word preceded by a – sign.

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Search EnginesSearch EnginesUsing a True Search EngineUsing a True Search Engine

Figure E.6Figure E.6Using a True Search EngineUsing a True Search Enginepage 460page 460

Team Work

Finding and Using Search Engines

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Internet TechnologiesInternet Technologies

World Wide WebWorld Wide Web Search EnginesSearch Engines Internet Technologies Internet Technologies Connecting to the InternetConnecting to the Internet

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Internet TechnologiesInternet TechnologiesThe Internet BackboneThe Internet Backbone

Internet backboneInternet backbone - the major set of - the major set of connections for computers on the connections for computers on the Internet. Internet.

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Figure E.7Figure E.7The Internet The Internet Backbone in Backbone in CanadaCanadapage 462page 462

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Network access pointNetwork access point ( (NAPNAP) - a point on the ) - a point on the Internet where several connections converge. Internet where several connections converge.

Network service providerNetwork service provider ( (NSPNSP) - owns and ) - owns and maintains routing computers at NAPs and even maintains routing computers at NAPs and even the lines that connect the NAPs to each other. the lines that connect the NAPs to each other. MCI or AT&TMCI or AT&T

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Internet TechnologiesInternet TechnologiesInternet Service ProvidersInternet Service Providers

Internet service providerInternet service provider ( (ISPISP) - a ) - a company that provides individuals, company that provides individuals, organizations, and businesses access to organizations, and businesses access to the Internet. the Internet. AOL (commercial) and Juno (free)AOL (commercial) and Juno (free)

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Internet TechnologiesInternet TechnologiesInternet ServersInternet Servers

Figure E.8Figure E.8Servers on the Servers on the InternetInternetpage 463page 463

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Internet server computerInternet server computer - provides information - provides information and services on the Internet. and services on the Internet.

Web serverWeb server - provides information and services to - provides information and services to Web surfers. Web surfers.

Mail serverMail server - provides e-mail services and - provides e-mail services and accounts. accounts.

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ftpftp ( (file transfer protocolfile transfer protocol) ) serverserver - maintains a collection of files that - maintains a collection of files that you can download. you can download.

IRCIRC ( (Internet Relay ChatInternet Relay Chat) ) serverserver - - supports your use of discussion supports your use of discussion groups and chat rooms. groups and chat rooms.

On Your Own

Using a Web Portal

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Internet TechnologiesInternet TechnologiesCommunications ProtocolsCommunications Protocols

Communications protocolCommunications protocol ( (protocolprotocol) - ) - a set of rules that every computer a set of rules that every computer follows to transfer information.follows to transfer information. TCP/IPTCP/IP httphttp ftp ftp

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Internet TechnologiesInternet TechnologiesCommunications ProtocolsCommunications Protocols

TCP/IPTCP/IP, or , or transport control protocol/Internet transport control protocol/Internet protocolprotocol, - transmits information over the Internet., - transmits information over the Internet.

Hypertext transfer protocolHypertext transfer protocol ( (httphttp) - supports the ) - supports the

movement of information over the Web, essentially from movement of information over the Web, essentially from a Web server to you. a Web server to you.

File transfer protocolFile transfer protocol ( (ftpftp) - allows you to transfer files ) - allows you to transfer files of information from one computer to another. of information from one computer to another.

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Connecting to the InternetConnecting to the Internet


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Connecting To The InternetConnecting To The Internet

What ISP should you choose?What ISP should you choose? Do you need Do you need Web space - Web space - a storage area a storage area

where you keep your Web site?where you keep your Web site? Is great technical support important?Is great technical support important? Is money a serious consideration?Is money a serious consideration? Is privacy important to you?Is privacy important to you?

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Figure E.9Figure E.9Juno is a Popular Juno is a Popular Free ISPFree ISPpage 465page 465

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Connecting To The InternetConnecting To The InternetCommunications SoftwareCommunications Software

Connectivity softwareConnectivity software – enables you to use your – enables you to use your computer to “dial up” or connect to another computer.computer to “dial up” or connect to another computer.

Web browser softwareWeb browser software – enables you to surf the Web. – enables you to surf the Web.

E-mail software, E-mail software, (short for (short for electronic mail softwareelectronic mail software) - ) - enables you to electronically communicate with other enables you to electronically communicate with other people by sending and receiving e-mail.people by sending and receiving e-mail.

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Team Work

Evaluating ISP Options

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Connecting To The InternetConnecting To The InternetTelecommunications HardwareTelecommunications Hardware

Telephone modemTelephone modem – a device that connects your – a device that connects your computer to your phone line so that you can access computer to your phone line so that you can access another computer or network.another computer or network.

Digital Subscriber LineDigital Subscriber Line ( (DSLDSL) ) modemmodem – a high-speed – a high-speed Internet connection using phone lines, which allows you Internet connection using phone lines, which allows you to use your phone line for voice communication at the to use your phone line for voice communication at the same time.same time.

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Cable modemCable modem – a device that uses your – a device that uses your TV cable to deliver an Internet connection.TV cable to deliver an Internet connection.

Satellite modemSatellite modem – a modem that allows – a modem that allows you to get Internet access from your you to get Internet access from your satellite dish.satellite dish.

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Figure E.10Figure E.10DSL Modem DSL Modem ConnectionConnectionpage 467page 467

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Summary Summary Student Learning OutcomesStudent Learning Outcomes

1.1. Define the relationships among Web site, Web Define the relationships among Web site, Web site address, domain name, Web page, and site address, domain name, Web page, and uniform resource locator (URL).uniform resource locator (URL).

2.2. Explain how to interpret the parts of an address Explain how to interpret the parts of an address on the Web. on the Web.

3.3. Identify the major components and features of Identify the major components and features of Web browser software. Web browser software.

4.4. Describe the differences between directory and Describe the differences between directory and true search engines. true search engines.

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Summary Summary Student Learning OutcomesStudent Learning Outcomes

5.5. Describe the various technologies that Describe the various technologies that make up the Internet. make up the Internet.

6.6. Identify key considerations in choosing an Identify key considerations in choosing an Internet service provider (ISP). Internet service provider (ISP).

7.7. Describe the communications software Describe the communications software and telecommunications hardware you and telecommunications hardware you need to connect to the Internet. need to connect to the Internet.

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SummarySummaryAssignments and ExercisesAssignments and Exercises

Find these on the InternetFind these on the Internet What is the weight of the moon?What is the weight of the moon? Who was the first Canadian billionaire?Who was the first Canadian billionaire? Who is Olive Oyl’s brother?Who is Olive Oyl’s brother? Who wrote “It was the best of times, it was the Who wrote “It was the best of times, it was the

worst of times …”?worst of times …”? What does the Seine river empty into?What does the Seine river empty into? What is a lacrosse ball made of?What is a lacrosse ball made of?

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SummarySummaryAssignments and ExercisesAssignments and Exercises

Find these on the InternetFind these on the Internet Who lives at 39 Stone Canyon Drive?Who lives at 39 Stone Canyon Drive? What is the colour of Mr. Spock’s blood?What is the colour of Mr. Spock’s blood? At what did the S&P/TSX 300 stock market At what did the S&P/TSX 300 stock market

close yesterday?close yesterday? What is the most frequently broken bone in What is the most frequently broken bone in

the human body?the human body? What is a pregnant goldfish called?What is a pregnant goldfish called?

extended learning module e the world wide web and the internet

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