智能手机英语演讲PPT课件

.,1,SmartMobilephone,.,2,.,3,Kindsofintelligentmobilephone,.,4,Howmobilephonedevelop?,.,5,LetstalkaboutMotorola,MartinCoopercreatedthefirstmobilephone,whichmeansthebeginningofradiocommunication.,无线通信,.,6,Afterbirth.,1G2G3G4G,.,7,1G,Brick,.,8,2G,WAPisshortofWirelessApplicationProtocol(无线应用协议).,第一款WAP手机诺基亚7110,Whengettinginto2Gtime,mobilephonecansurftheinternet!,Andmost2GphoneuseGSMorCDMAstandard.,.,9,3G,internetspeedof3Gphoneisobviouslyfasterthanthatof2Gandcanmakeitto150KB/s.,Internationalstandardof3Gare:WCDMAofEurope,CDMA2000ofAmericaandTD-SCDMAofChina.,.,10,4G,4Gmeansthefasterspeedthan3Gandcanreach4Mb/s!AndthestandardsareTD-LTEandFDD-LTE.,.,11,Howmanysystemofthoseintelligentphone?,.,12,technology,Withthedevelopmentofscienceandtechnology,moreandmorepeopleusemobilephonethatismoreintelligentanduseful.Nowyoucannotonlysurftheinternetbutalsoplaygamesorsearchmapordoshopping.OfcoursewhencallyourfriendsyouneedntlookforphonebookinsteadofcallinghisnameSomanyincrediblethings!,.,13,ThedifferencebetweenFeaturephoneandSmartphone,Someonemaybethinkcommonphonecoulddotheconvenientthings,thatsright,but,非智能手机,（功能手机）,.,14,Themoreconvenientandusefulphone?,AlthoughFeaturephoneismorestablethanSmartphoneandhavemuchmoreelectricity,likethis,.,15,TheadvantageofSmartphone,掌上电脑,HasbetterperformanceIsfastinrunningHasstandaloneoperatingsystem(OS)andcanbeupdateHasbigtouchscreenHasbigpartsoffunctionofPDA(PersonalDigitalAssistant)Userscaninstallthird-partysoftwares,.,16,Inotherwords,1+12!,.,17,Futuresmartphone,.,18,Thou