人教版 高一英语 第9单元 第一课时.ppt

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1、COMPUTERS高一英语备课组—abacusIamakindofmachine.Childrenoftenusemetocountthenumbersbymovingthesmallballsonme.Therearemanygroupsofballs.Theyaredividedintotwoparts.Ineachgroup,therearetwoballsintheupperpartandfiveinthelowerpart.WhoamI?Inyourmathslesson,whenyouhavedifficultyincalculatingthenumbe

2、rs,youwilluseme.WhoamI?—calculatorIamalsoakindofmachine,whichisprogrammedtomoveanddocertainjobsautomatically(自动)tohelpyourhumanbeings.WhoamI?—robotcalculatingmachinein1642inFranceCharlesBabbageAnalyticalMachineFollowinstructionsfromcardswithholesTherealfather:AlanTuringbuildatheory

3、called“universalmachine”ahugehouseanewlookwithtransistorsIbecamesmallerandthinnerInternetUsingBASIC,IcantalkwithhumansReadingTrueorFalse1.ThefatherofthecomputerwasCharlesBabbage.5.Peoplewhoarenotcloseenoughcancommunicatewitheachotherthroughcomputers.4.Atfirst,thecomputerwasalone.Later,

4、computerswereconnectedbyanetwork.3.Thecomputerbecamethinnerandthinner,butitsmemorybecamesmallerandsmaller.2.Thesizeofthecomputerisbiggerandbigger.FFFTTPleasefindoutatleastthreesentencestosupporttheidea—“Iamacomputer”.—MyrealfatherwasAlanTuring,whoin1936wroteabooktodescribehowcomputersc

5、ouldbemadetowork,andbuilta“universalmachine”tosolveanymathematicalproblem.—Theygavemeafamilyconnectedbyanetwork.—AtaboutthesametimewelearnedtotalktohumansusingBASIC.1.MyrealfatherwasAlanTuring,whoin1936wrotea…,andbuilta…problem.非限制性定语从句2.Theygavemeafamilyconnectedbyanetwork.network:bro

6、adcastonseveraldifferentchannels.3.AtaboutthesametimewelearnedtotalktohumansusingBASIC.BASIC:acomputerlanguageTime:computerUse:Size:Speed:Memory:servethehumanracelargerandlargerquickerandquickernotverybig—huge—smallerandsmallerWhichofthefollowingsubjectsarementionedinthestory?(size/wei

7、ght/speed/color/memory/use/height/time)AnalyticalMachineTimeline1642182219361960s1970snowcalculatingmachineuniversalmachinenetworkbroughtintopeople’shomeservingthehumanracea.Thesizeandthespeedofcomputersb.Therelationshipbetweenthecomputerandhumanracec.Thedevelopmentofthecomputerd.The