高一英语（上）必修二Unit 3reading.ppt

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1、WelcomeUnit3ComputersabacusbeusedforcalculatingcalculatorbeusedforcalculatingbeusedtosolvemathematicalproblemshugecomputerIthasabigfacewithmanykeysIthastwobigearswhichcanplaymusicYoucanwatchTVorseeamovieusingitItcanbeseenintheoffice,classroomandathome.Itcandownloadinformationguesspersonal

2、computerAnotebookcomputerabacuscalculatorHugecomputerPCnotebookWhatdotheyhaveincommon?Ithink/believethat…Inmyopinion…Theycanbeusedforcalculating.Theycandealwithmathsproblems.Theyareourfriends.…surftheInternetdealwithinformationplaygameslistentomusicdrawpictureswatchmoviescommunicatewithpe

3、oplebuythingson-linemathematicalproblemssimplesimple-mindedartificialintelligenceAnalyticalMachinetechnologicalrevolutionhumanraceNewwordsabacusnotebookQuiz:WhatDoYouKnowAboutComputers?mousekeyboardprinterspeakerscreenharddiskmainboardfloppydisc(软磁盘)headphoneCPU中央处理器Ifyouareaskedtowriteap

4、assageaboutcomputer,whichofthefollowingtopicswillyouchoose?(1).itsdifferentparts(2).itshistoryanddevelopment(3).itsadvantagesanddisadvantages(4).itsinventor(5).…WhoAmIUnit3Computer1.Whoisthespeaker?2.Whattopicisthetextmainlyabout?(1).itsdifferentparts(2).itshistoryandchanges(3).itsadvanta

5、gesanddisadvantages(4).itsinventor(5).…Itisacomputer.164219361960s1970s1822TimeInventionDescription1642182219361960s1970ssincethenCalculatingmachineAnalyticalmachineUniversalmachineNetworkPersonalComputerInternetbeusedto__________Builtby______________;followinstructionsfrom_____with______

6、Builtby_________;solve___________problems;simple-mindedandartificialintelligence;thesize:notverybig—____-smallGetnew________;bechanged;small&thin;getcleverer&quicker;beconnectedby＿＿＿＿;share…with;talkto…bebroughtinto______beusedtodealwith…andcommunicatewith..;servetransistorscalculateCharl

7、esBabbagecardsholesAlanTuringmathematicalhugenetworkhomes1642182219361960s1970snowcalculatingmachinecalculatefollowinstructionsmathematicalproblemsshareinformation…talkto…dealwithinformation;communicatewith…AnalyticalmachineUniversalmachinetransistorsnetworkPCIntern