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. 1Network - set of hardware and software components that supports several people working together and allows sharing of hardware, software, and informationInternet - 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 growthWeb browser - piece of software needed for accessing WWW4InternetToday, 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 curtainRole in Gulf WarTotalitarian governments despise it5Internet Connection NecessitiesModem or network connectionInternet accountInternet Service Provider (ISP) -university, AOL, Dave’s World, and so forthSoftware UtilitiesBrowser software6Internet AddressesAccount - individual that you are communicating withDomainLower domain - the name of the organization where the account can be foundTop domain - the type of organization7Internet AddressesTo 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 SessionObtain communication with your ISPLogin procedure - identifies you to the host computerPassword - series of characters that verifies to the computer that you are a valid userAsterisks may appear as you enter itNever give your password to anyone11Internet ServicesElectronic MailUsenet/NewsgroupsListservFile Transfer Protocol (FTP)TelnetGopher and VeronicaInternet Relay ChatWorld Wide Web12E-mail - p. 6E-mail - ability to send and receive messages using the computer.Uses special software designed specifically for this taskPine, Elm (UNIX)EudoraExchangeSingle or many recipients possibleFlaming13E-mail Etiquette - p. 7Keep message brief and conciseDon’t send confidential or embarrassing info.Remember, the message belongs to the org.Don’t copy unnecessary peopleDon’t use all upper case lettersInclude a salutation and signature lineYou may want to use shorthand (abbreviations) - Table 1.2Emoticons help to show how you feel - Table 1.3Avoid all gossip or impropriety using E-mail14Usenet/Newsgroups - p. 9Interactive discussions that can occur on a wide variety o f subjectsPostings are E-mail messages to the newsgroupInformation is arranged by topic or by areas of interest100s of group names/topics are available15Usenet/NewsgroupsSelected group names or categoriescomp computersmisc don’t fit a categoryrec recreational activities or hobbiessci scientific areassoc social, cultural, and politicaltalk discussion forums for politics or other areas with controversy16ListservListserv - consists of all e-mail messages related to a single topicA document containing these e-mail messages is sent to all subscribersAll that is required to access is e-mail softwareMany times listservs are used for conducting classes17Agent - Newsgroup browser18Newsgroup GuidelinesReview 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. 13File Transfer Protocol (FTP) - method of transferring files across the InternetCan be done with UNIX statementsCan be done with special FTP softwareMay be built in browser, such as Netscape or Intrnet ExplorerMany 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. 14Allows you to communicate directly with another computerUnlike FTP, it does not allow you to download filesMany times used to gain access to other libraries, get weather forecasts, and so forth22Gopher and Veronica - p. 14Gopher - 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 anymoreVeronica is the search engine for finding files from multiple gopher sites; analogous to Yahoo, Excite, … in the WWW.23Internet Relay ChatPermits you to communicate “live” with
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