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1、河南科技大学本科毕业设计论文外文资料原文TheHistoryoftheInternetTheBeginning-ArpanetTheInternetstartedasaprojectbytheUSgovernment.Theobjectoftheprojectwastocreateameansofcommunicationsbetweenlongdistancepoints,intheeventofanationwideemergencyor,morespecifically,nuclearwar.TheprojectwascalledArpanet,anditiswha
2、ttheInternetstartedas.Fundedspecificallyformilitarycommunication,theengineersresponsibleforArpanethadnoideaofthepossibilitiesofan"Internet."Bydefinition,an'Internet'isfourormorecomputersconnectedbyanetwork.ArpanetachieveditsnetworkbyusingaprotocolcalledTCP/IP.Thebasicsaroundthisprotocolwa
3、sthatifinformationsentoveranetworkfailedtogetthroughononeroute,itwouldfindanotherroutetoworkwith,aswellasestablishingameansforonecomputerto"talk"toanothercomputer,regardlessofwhetheritwasaPCoraMacintosh.Bythe80'sArpanet,justyearsawayfrombecomingthemorewellknownInternet,had200computers.The
4、DefenseDepartment,satisfiedwithArpanet’sresults,decidedtofullyadoptitintoservice,andconnectedmanymilitarycomputersandresourcesintothenetwork.Arpanetthenhad562computersonitsnetwork.Bytheyear1984,ithadover1000computersonitsnetwork.In1986Arpanet(supposedly)shutdown,butonlytheorganizationshut
5、down,andtheexistingnetworksstillexistedbetweenthemorethan1000Computers.ItshutdownduetoafailedlinkupwithNSF,whowantedtoconnectits5countywidesupercomputersintoArpanet.WiththefundingofNSF,newhighspeedlinesweresuccessfullyinstalledatlinespeedsof56k(anormalmodemnowadays)throughtelephonelinesin
6、1988.Bythattime,therewere28,174computersonthe(bythendecided)Internet.In1989therewere80,000computersonit.By1989,therewere290,000.Anothernetworkwasbuilttosupportthe15河南科技大学本科毕业设计论文incrediblenumberofpeoplejoining.Itwasconstructedin1992.Today-TheInternetToday,theInternethasbecomeoneofthemosti
7、mportanttechnologicaladvancementsinthehistoryofhumanity.Everyonewantstoget'online'toexperiencethewealthofinformationoftheInternet.MillionsofpeoplenowusetheInternet,andit'spredictedthatbytheyear2003everysinglepersonontheplanetwillhaveInternetaccess.TheInternethastrul
