高中英语 Unit3 Warming up课件 新人教版必修.ppt

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1、Unit3ComputersPeriod1WarmingupHeavy!Difficult!Hard!Tired!Easy!Fast!Free!keyboardmousemonitorscreenspeakerhostcomputercameraWhatdotheyhaveincommon?anabacusacalculatoradesktopanotebookcomputeralaptopdigitalcameraarobot(Whatdotheyhaveincommon?)Ithinkthat…Inmyopinion…Ibel

2、ievethat…What’syourreason?Whydoyouthinkso?1.Theycanbeusedforcalculating.2.Theycandealwithmathsproblems.3.Theyareourfriends.4.Theyareusefulandhelpful.DiscussionworkforusinMars(火星)What’snext?carrythingsworkinwars(战斗)仿真机器人entertainment娱乐Whatdoyouthinkwillbethenextdevelop

3、ment?CD--DVD-ROM---DVDRWCRTmonitorLCDmonitorCPUharddiscchips/motherboardsomehardware:使用阴极射线管(CathodeRayTube)的显示器Liquid Crystal Displaykeyboardmousemodemscannerprinterspeakerfloppydisc/diskUSBflashdiscCD/VCD/DVDMP3playerMP4playerMemory:(存储器)移动硬盘USBFlashdisc1TB固态硬盘T硬盘Ha

4、rddisc:Core2Duo酷睿2:4核龙芯8核cpu:otherusefulwordsandexpressionsaboutcomputer:Network网络Virus病毒Download下载Upload上传Program程序Website站点Hacker黑客Homepage主页Password密码Desktop桌面Username用户名Click点击Software软件Hardware硬件Homepage主页Reading:WhoamI?Skimming:Readandanswerthesequestions:2.Whow

5、asthefirstpersontoinventtheearliestcomputer?3.Whowasthenextimportantpersontodesigncomputers?CharlesBabbageAlanTuring1.WhoamI?Acomputer.timeline1642:1822:1936:1940s:1960s:1970s:Now:Scanning:Thecomputerbeganasacalculatingmachine.theAnalyticalMachinewasbuiltbyCharlesBabb

6、age.Thecomputergrewrapidlybothinsizeandinbrainpower.Computerhadgrownaslargeasaroom.Computerswereusedinofficersandhomes.Computersconnectpeopleallovertheworldtogether.thefirstfamilyofcomputerswasconnectedtoeachotherThehistoryofcomputersthesecondgeneration(1956-1963)thet

7、hirdgeneration(1964-1971)thefourthgeneration(1971-)Thefirstgeneration(1945-1956)Thedevelopmentofcomputers:CalculatingmachineAnalyticalmachineUniversalmachineArtificialintelligenceComputerInternet计算器分析机万能机,通用机器人工智能Develop-mentEarlydaysNameFunctionPoorStrongA_________ma

8、chineSimplifydifficultsumsAn________machineThinklogicallyandproduceananswerquicklyA_________machineSolvedifficult___________