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1、HistoryOfcomputerdevelopmentElectroniccomputerIn1946PennsylvaniaUniversityintheUSAdevelopedthefirstelectroniccomputerintheworldthroughseveralyears"hardefforts."ENIAC两位设计者——莫契利和埃克特TransistorcomputerInthelate1960sandearly1970s,engineersmadegreatstrides（进步）inreducingt
2、hesizeofelectroniccomponents.Theydevelopedthesemiconductorchip(半导体芯片),whichwasaboutthesizeofafingenailandcouldcontainhundredsoftransistors.1955年，贝尔实验室使用800只晶体管组装了世界上第一台晶体管计算机TRADIC。(TransistorDigitalComputer)PersonalComputerIn1981,InternationalBusinessMachines(IBM)
3、,thelargestcomputercompanyintheworld,introduceditsownmicrocomputer,dubbedtheIBMPC(“PC”istheabbreviationforpersonalcomputer).TheFirstIBMPCThiscomputerissmallinsizeandyoucaneasilyarrangeittofitinyourbedroomwithitsall.Todaythisisthoughttobethemostpopularcomputerinall.
4、Today’sdaySitdowninfrontofaniMacandsomethingincrediblehappens:Theworldaroundyouseemstodisappear,andyouloseyourselfinthebig,beautifuldisplay.Tocreateanexperiencethisimmersive(身临其境),wepushedeverylimit,consideredeverydetail,andadvancediMacinastonishing(惊奇)ways.We’vego
5、netoextraordinarylengths.Andwidths.Theultimateall-in-one. Honedtothecuttingedge.ThefirstiMacwasarevolution:Anall-in-onecomputer(一体机)thatputeverything—mainframe(主机),monitor(显示器)andmore—insideonesimple,fashionableshell(外壳).Today,iMacincludesabrilliantdesktopdisplay,a
6、ndit’sfilledwiththelatesthigh-performancetechnologies.Yetit’sjust5mmthinatitsedge.Thedevelopmentofcomputertechnologyhasthefollowingfourcharacteristics：1.multi-polarization(多极化)2.Intelligent(智能化)3.networked(网络化)4.multimedia(多媒体)计算机的未来发展趋势DNA计算机激光计算机量子计算机纳米计算机Fifthge
7、nerationcomputerreferstoanewgenerationofcomputers,withartificialintelligence,ithasthereasoning,lenovo,judgment,decisionmaking,learning,andotherfunctions.Thesecomputersare:superconductingcomputers,nanocomputer,lightcomputerandDNAcomputerandquantumcomputer,etc.Fifthg
8、enerationcomputerreferstoanewgenerationofcomputers,withartificialintelligence,ithasthereasoning,lenovo,judgment,decisionmaking,learning,andotherf
