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Exploring the InternetInternet Definitions - p. 1Internet Definitions (cont.)InternetInternet Connection NecessitiesInternet AddressesSlide 7Top Domains - p. 5Proposed Top DomainsStarting an Internet SessionInternet ServicesE-mail - p. 6E-mail Etiquette - p. 7Usenet/Newsgroups - p. 9Usenet/NewsgroupsListservAgent - Newsgroup browserNewsgroup GuidelinesFile Transfer Protocol - p. 13FTP Client Software UtilityTelnet - p. 14Gopher and Veronica - p. 14Internet Relay ChatWorld Wide Web (WWW or Web)World Wide Web TerminologyURL ComponentsMore Web TerminologyWeb BrowsersInternet Explorer ScreenWeb SurfingMore SurfingOther Web Browser UsesResearch Using the Computer1Exploring the InternetSession 1 Introduction to the Internet and World Wide Web2Internet Definitions - p. 1Network - set of hardware and software components that supports several people working together and allows sharing of hardware, software, and informationInternet - a network of networks that allows you to communicate with people anywhere in the world as well as access information that you desire any time of the day or night3Internet Definitions (cont.)Started in the 1960s as a joint project between education, and government (ARPANET) for defense purposes.World Wide Web (WWW) - easy method of sending text, graphics, and sound has resulted in explosive growthWeb browser - piece of software needed for accessing WWW4InternetToday, mostly used for commercial purposes.Includes many different types of resources. The one that is most prevalent today is the World Wide Web (WWW).Allows millions of people from around the world to communicate with one another.Responsible for the fall of the iron curtainRole in Gulf WarTotalitarian governments despise it5Internet Connection NecessitiesModem or network connectionInternet accountInternet Service Provider (ISP) -university, AOL, Dave’s World, and so forthSoftware UtilitiesBrowser software6Internet AddressesAccount - individual that you are communicating withDomainLower domain - the name of the organization where the account can be foundTop domain - the type of organization7Internet AddressesTo communicate with someone, you have to know their Internet address (everything after “@” is the domain):[email protected]@rs6000.cmp.ilstu.eduThis User This User (account)(account)At the computer At the computer named rs6000.cmpnamed rs6000.cmpAt Illinois State UniversityAt Illinois State UniversityAn An educational educational institutioninstitution8Top Domains - p. 5.com commercial or business site.edu educational site.gov U.S. government site.mil U.S. military site.net network site.org private or non-profit site9Proposed Top Domains.firm Businesses or firms.shop Bus. offering goods for purchase.web Web-based Entities .arts Cultural or entertainment activities.rec Recreational or entertainment entity.info Information services entities.nom Individual or personal sites10Starting an Internet SessionObtain communication with your ISPLogin procedure - identifies you to the host computerPassword - series of characters that verifies to the computer that you are a valid userAsterisks may appear as you enter itNever give your password to anyone11Internet ServicesElectronic MailUsenet/NewsgroupsListservFile Transfer Protocol (FTP)TelnetGopher and VeronicaInternet Relay ChatWorld Wide Web12E-mail - p. 6E-mail - ability to send and receive messages using the computer.Uses special software designed specifically for this taskPine, Elm (UNIX)EudoraExchangeSingle or many recipients possibleFlaming13E-mail Etiquette - p. 7Keep message brief and conciseDon’t send confidential or embarrassing info.Remember, the message belongs to the org.Don’t copy unnecessary peopleDon’t use all upper case lettersInclude a salutation and signature lineYou may want to use shorthand (abbreviations) - Table 1.2Emoticons help to show how you feel - Table 1.3Avoid all gossip or impropriety using E-mail14Usenet/Newsgroups - p. 9Interactive discussions that can occur on a wide variety o f subjectsPostings are E-mail messages to the newsgroupInformation is arranged by topic or by areas of interest100s of group names/topics are available15Usenet/NewsgroupsSelected group names or categoriescomp computersmisc don’t fit a categoryrec recreational activities or hobbiessci scientific areassoc social, cultural, and politicaltalk discussion forums for politics or other areas with controversy16ListservListserv - consists of all e-mail messages related to a single topicA document containing these e-mail messages is sent to all subscribersAll that is required to access is e-mail softwareMany times listservs are used for conducting classes17Agent - Newsgroup browser18Newsgroup GuidelinesReview the frequently asked questions (FAQ) document for that group.Review the last two or three weeks of the articles or postings to get a flavor for the group.Spend some time “lurking” examining the group without posting.Be careful with your first postings. If participants feel you don’t understand elementary items, you will probably get flamed.19File Transfer Protocol - p. 13File Transfer Protocol (FTP) - method of transferring files across the InternetCan be done with UNIX statementsCan be done with special FTP softwareMay be built in browser, such as Netscape or Intrnet ExplorerMany times referred to as anonymous FTP because most users use anonymous as their name when requesting files.20FTP Client Software UtilityYour System Your System (where you (where you want to receive want to receive the files)the files)Where the files Where the files currently residecurrently reside21Telnet - p. 14Allows you to communicate directly with another computerUnlike FTP, it does not allow you to download filesMany times used to gain access to other libraries, get weather forecasts, and so forth22Gopher and Veronica - p. 14Gopher - text-based, menu driven program that allows you to access, view, and download files (developed at U. of Minn.)Precursor to WWW—not used much anymoreVeronica is the search engine for finding files from multiple gopher sites; analogous to Yahoo, Excite, … in the WWW.23Internet Relay ChatPermits you to communicate “live” with


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USA CIS 150 - Exploring the Internet

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