英语：Unit3 《Computers》课件（新人教版必修2）.ppt

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1、NewSEFCB2Unit3Computers(Reading)ks5u精品课件Whatdoyouknowaboutcomputers?monitorkeyboardmouseCD-ROM/DVD-ROMloudspeakerboxFDD（FloppyDiskDriverks5u精品课件CPUharddiscfloppydiscUSBFlashDiskks5u精品课件printerscannermodemks5u精品课件Pre-readingquestions1.Whathavecomputerschangedourlife?2.Whatchangeswilltheybring

2、tousinthefuture?ks5u精品课件Unit3Computersks5u精品课件WHOAMI?ks5u精品课件ComprehendingTask1:Gooverthestoryanddiscusswithyourpartnerwhothespeakerisinthisstory.Writedownthreesentencestosupportyouridea.Thenin1822IwasbuiltasanAnalyticalmachinebyCharlesBabbage.2.MyrealfatherwasAlanTuring,whoin1936wrote…solve

3、anymathematicalproblem.3.However,peoplethoughtIwassimple-mindeduntiltheydiscoveredIhad“artificialintelligence”.Itisacomputer.ks5u精品课件Task2:Fromthereadingpassage,findthewordsandexpressionswiththefollowingmeanings.1__________completely2._________completechange3._________tomakesomethinghappen4.

4、_________whenababyoranimalisborn5._________unabletounderstanddifficultthings6._________pass7._________takecorrectaction8._________broadcastonseveraldifferentchannels9._________indeed10.__________usedtoshowthatsomethinghappensinspiteofaproblemtotallyrevolutionso…thatbirthsimple-mindedgobydeal

5、withnetworktruelyanywayks5u精品课件Task3Lookatthetimelinebelow.FillintheblankswithInformationformthereadingabove.1642:___________________________________________:TheAnalyticalMachinewasmadebyCharlesBabbage.1936:_____________________________________________1960s:__________________________________

6、_________________:Thefirstfamilyofcomputerswasconnectedtoeachother.1970s:______________________________________________Now:_____________________________________________Thecomputerbeganasacalculatingmachine.1822AlanTuringwroteabooktodescribehowcomputerscouldbemade.Computershadnewtransistorsan

7、dbecamesmaller.1960sComputerswerebroughtintopeople’shomes.Computersconnectpeopleallovertheworldtogether.ks5u精品课件Thehistoryofcomputersthesecondgeneration(1956-1963)thethirdgeneration(1964-1971)thefourthgeneration(1971-)Thefirstgeneration(1945-1956)k