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1、TED-Ed(w.w.w)(WhatistheWorldWideWeb?-TwilaCamp)1.TheWorldWideWeb,2.whereyou'relikelywatchingthisvideo,3.isusedbymillionsofpeopleeveryday4.foreverythingfrom5.checkingtheweather,6.orderingfood,7.andchattingwithfriends8.toraisingfunds,9.sharingnews,10.orstartingrevol
2、utions.11.Weuseitfromourcomputers,ourphones,evenourcars.12.It'sjustthere,13.allaroundus,allthetime.14.Butwhatisitexactly?15.Wellfirstofall,theWorldWideWebisnottheInternet,16.eventhoughthetermsareoftenusedinterchangeably.17.TheInternetissimplythewaycomputersconnect
3、toeachother18.inordertoshareinformation.19.WhentheInternetfirstemerged,20.computersactuallymadedirectcallstoeachother.21.Today,networksareallaroundus,22.socomputerscancommunicateseamlessly.23.ThecommunicationenabledthroughtheInternet24.hasmanyuses,25.suchasemail,f
4、iletransfer,andconferencing.26.Butthemostcommonuse27.isaccessingtheWorldWideWeb.28.ThinkoftheWebasabunchofskyscrapers,29.eachrepresentingawebserver,30.acomputeralwaysconnectedtotheInternet,31.specificallydesignedtostoreinformationandshareit.32.Whensomeonestartsawe
5、bsite,33.theyarerentingaroominthisskyscraper,34.fillingitwithinformation35.andlinkingthatinformationtogether36.inanorganizedwayforotherstoaccess.37.Thepeoplewhoowntheseskyscrapers38.andrentspaceinthem39.arecalledwebhosts,40.butanyonecansetupawebserver41.withtherig
6、htequipmentabitofknow-how.42.There'sanotherparttohavingawebsite,43.withoutwhichwewouldbelostinthecity44.withnowayoffindingwhatweneed.45.Thisisthewebsiteaddress,46.whichconsistsofdomainnames.47.Justlikewithareallifeaddress,48.awebsiteaddressletsyougetwhereyouwantto
7、go.49.Theinformationstoredinthewebsites50.isinweblanguages,51.suchasHTMLandJavaScript.52.Whenwefindthewebsitewe'relookingfor,53.ourwebbrowserisabletotakeallthecodeonthesite54.andturnitintowords,graphics,andvideos.55.Wedon'tneedtoknowanyspecialcomputerlanguages56.b
8、ecausethewebbrowsercreatesagraphicinterfaceforus.57.So,inalotofways,58.theWorldWideWebisabigvirtualcity59.wherewecommunicatewitheachother60.inweblanguag
