新人教必修二 Unit 3 Computers-Reading[阅读课件].ppt

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1、Unit3ComputerskeyboardmousemonitorscreenspeakerhostcomputerWhatdotheyhaveincommon?AnabacusAcalculatorAdesktopAnotebookcomputerdigitalcameraalaptoppalmtopReading:WhoamI?Listentothetapeandanswerthesequestions.2Whowasthefirstpersontoinventtheearliestcomputer?3Whowasthenextimportantpersont

2、odesigncomputers?CharlesBabbageAlanTuring1WhoamI?Acomputer.timeline1642:Thecomputerbeganasacalculatingmachine.1822:theAnalyticalMachinewasbuiltbyCharlesBabbage.1936:AlanTuringwroteabooktodescribehowcomputercouldbemade.1960s:Computerhadnewtransistorsandbecamesmaller.1970s:Computerswereb

3、roughtintopeople’shomes.Now:Computersconnectpeopleallovertheworldtogether.ScanningCalculatingmachineComputerInternetAnalyticalmachineArtificialintelligenceUniversalmachineThedevelopmentofcomputers:UsefulphrasescalculatingmachineAnalyticalmachinecardwithholestechnologicalrevolutionunive

4、rsalmachineartificialintelligencegobybyinternethumanrace计算器分析机穿孔卡技术革命万能机,通用机器人工智能走过，过去通过网络人类Thedevelopmentofcomputers:CalculatingmachineAnalyticalmachineUniversalmachineArtificialintelligenceComputerInternetIntensivereading:Underlinethephrases&sentencesthatyouthinkareimportantStarsente

5、ncesP1L2Ifollowedinstructionsfromcardswithholes.P15EarlierIwasnotverybig,butthenIbecamehuge.P1L6However,peoplethoughtIwassimple-mindeduntiltheydiscoveredIhad“artificialintelligence.”我执行穿孔卡的指令早些时候我并不是很大，但是后来我变得非常大可是，人们认为我头脑简单，直到发现我有人工智能时，他们才不那么想了。P1L8Astheyearshavegoneby,Ihavebeenmadesm

6、allerandsmaller.P2L1Thereweretimeswhenmysizewastotallychanged.P2L3ButIwasalwayssolonelystandingtherebymyself,untilintheearly1960s,theygavemeafamilyconnectedbyanetwork.随着岁月的流逝，我被做得越来越小了有段时期我的体积完全变了但是我总是孤孤单单地站在那里，直到60年代初，人们才给了我一个用网络连接的家庭。Summary:whathavewelearned?1.somewordsaboutcomputer

7、s.2thedevelopmentofcomputers3somescientistsrelatingtocomputers.Advantagesanddisadvantagesofthecomputers.Discussionadvantageswecancommunicatewithfriendslistentothemusicseefilms&watchnewsplaygamesdoshoppingsavealotoftimedoalotofusefulthingsDisadvantagesSomepeopleespeciallytheteenagersa