必修一Unit 3 Computers

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1、Unit3ComputersWhatdotheyhaveincommon?AnabacusAcalculatorAdesktopAlaptopUsefulphrasescalculatingmachineanalyticalmachinecardwithholestechnologicalrevolutionartificialintelligenceuniversalmachinemathematicalproblempersonalcomputer（PC）gobybeconnectedbys

2、paceroketsmedicaloperations计算器分析机穿孔卡技术革命人工智能万能机,通用机器数学问题个人电脑走过，过去用…联接航空火箭医疗手术Reading:WhoamI?1642:_____________________________________1822:TheanalyticalmachinewasmadebyCharlesBabbage._______:__________________________________________________________1

3、940s:______________________________________:Thefirstfamilyofcomputerswasconnectedtoeachother.1970s:_________________________________Now:_____________________________________Thecomputerbeganasacalculatingmachine1936Thecomputergrewrapidlybothinsizeandi

4、nbrainpower.Thecomputerhadgrownaslargeasaroom1960sComputerswereusedinofficesandhomesComputersconnectpeopleallovertheworldtogether.Fast-reading(Scanning)Readthepassagecarefullyandfindthetopicsentencesandthedetailssupportingthem.Further-readingParagrap

5、h1Paragraph2Paragraph3TopicsentenceSupportingdetailsOvertimeIhavebeenchangedquitealotThesechangesonlybecomepossibleasmymemoryimprovedSincethe1970smanynewapplicationshavebeenfoundformecalculatingmachineanalyticalmachineuniversalmachinePClaptoptubestra

6、nsistorschipsnetworkworldwidewebcommunicationsfinancetraderobotsmobilephonesmedicaloperationsspacerocketsprovidingalifeofhighqualityThedevelopmentofcomputers:CalculatingmachineAnalyticalmachineUniversalmachinePClaptopInternetComputertypemyhomeworkdra

7、wpicturesplaygamescommunicatewithourfriends.gatherinformationforourlessonslistentomusicwatchmovies……robotWhataboutinthefuture?Summary:Whathavewelearned?Lookatyourtextbookandlistentothetape,tryyourbesttofollowthetape.Afterlistening,finishthefollowinge

8、xercise——Fillintheblanks.I,the_________,wasacalculatingmachinein1642in_______.In1936,Ibecamea“_________machine”to_____anymathematicalproblem.Sincethe1970sIhavebeenusedfirstasa___andthenasa_______inofficeand______.Manychangedhavehappenedtomy____,somy_