资源描述:
《internet的主要应用(the main application of internet)》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、internet的主要应用(ThemainapplicationofInternet)Theworldwideweb(WorldWideWeb,WWWorpenalty73)alsoknownasWchaos,itisoneofthemainapplicationformontheinternet.WWWprovidesfullrangeofmultimediainformationtousersthroughhypertext(HyperText),whichprovidesanewwayforInternetuserstoobtaininformationandsha
2、reinformation.InternetprofessionalmanagementorganizationisInerNIC,itisthemanagementcenteroftheInternet,itsmaintaskistoallocateIPaddress,managementdomainnameresourcesandunifiedresourcelocator.1.WorldWideWebWWW(WorldWideWeb)isaglobalinformationresourcenetworkwhichintegratesmultimediainforma
3、tionsuchastext,sound,imageandvideoontheInternet.ItisanimportantpartofInternet.Thebrowser(Browser)isthebridgeoftheusertotheWWWandthewindowtoaccesstheWWWinformation.Throughthebrowser,userscanroaminthevastInternetocean,searchandbrowsealltheinformationtheyareinterestedin.WWWwebpagefileiswritt
4、eninhypertextmarkuplanguageHTML,andrununderthesupportofhyperfiletransferprotocolHTTP.Hypertextnotonlycontainstextinformation,includingmultimediainformationgraphics,sound,image,videoetc.(itisalsocalledhypertexthypermedia),moreimportantisthehypertextimpliedtootherhypertextlink,thislinkiscal
5、ledhypertexthyperlink(HyperLinks)intwo,theusercaneasilyfromawebpagelinktoothercontentonthepage,butdoesnotneedtocareaboutthesepageswherethehostindispersion.WWWbrowserisaclientprogram,itsmainfunctionistoenableuserstoobtainallkindsofresourcesontheInternet.ThecommonlyusedbrowserisMicrosoftInt
6、ernetExplorer(IE)andNavigator/COIIIII111,iCator.SUNalsohasdevelopedaJavapreparedbytheIfotJava.Javabrowserisakindofdynamicmodel,theexplanatorylanguageisindependentofoperatingsystemandplatform,theJavabrowserhasadynamiceffect,providesreal-timeinteractivefunctionforusers.Mostbrowserscurrently
7、supportJava.2.emailE-mailE-mailisoneofthemostwidelyusedservicesonInternet.AslongastheusercanconnectwithInterIIet,cansendandreceivee-mailprogram,youcanInternetandallE-mailuserseasilyandquicklye-mailexchange,canalsobesenttomultipleusersinthesameemailormailwillbeforwar