新人教版必修二Unit3-Warming-up课件.ppt

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1、Unit3ComputersPeriod1WarmingupHeavy!Difficult!Hard!Tired!Easy!Fast!Free!keyboardmousemonitorscreenspeakerhostcomputercameraWhatdotheyhaveincommon?anabacusacalculatoradesktopanotebookcomputeralaptopdigitalcameraarobotworkforusinMars(火星)What’snext?carrythings

2、workinwars(战斗)仿真机器人entertainment娱乐Whatdoyouthinkwillbethenextdevelopment?CD--DVD-ROM---DVDRWCRTmonitorLCDmonitorCPUharddisc硬盘chips芯片/motherboard母版somehardware硬件:使用阴极射线管(CathodeRayTube)的显示器Liquid Crystal DisplaykeyboardmouseModem调制解调器Scanner扫描仪printerspeaker

3、floppydisc/disk磁盘USBflashdiscCD/VCD/DVDMP3playerMP4playerMemory:(存储器)移动硬盘USBFlashdisc1TB固态硬盘T硬盘Harddisc: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

4、桌面Username用户名Click点击Software软件Hardware硬件Homepage主页Reading:WhoamI?Skimming:Readandanswerthesequestions:2.Whowasthefirstpersontoinventtheearliestcomputer?3.Whowasthenextimportantpersontodesigncomputers?CharlesBabbageAlanTuring1.WhoamI?Acomputer.timeline1642:1

5、822:1936:1940s:1960s:1970s:Now:Scanning:Thecomputerbeganasacalculatingmachine.theAnalyticalMachinewasbuiltbyCharlesBabbage.Thecomputergrewrapidlybothinsizeandinbrainpower.Computerhadgrownaslargeasaroom.Computerswereusedinofficersandhomes.Computersconnectpeo

6、pleallovertheworldtogether.thefirstfamilyofcomputerswasconnectedtoeachotherThehistoryofcomputersthesecondgeneration(1956-1963)thethirdgeneration(1964-1971)thefourthgeneration(1971-)Thefirstgeneration(1945-1956)Thedevelopmentofcomputers:CalculatingmachineAna

7、lyticalmachineUniversalmachineArtificialintelligenceComputerInternet计算器分析机万能机,通用机器人工智能Develop-mentEarlydaysNameFunctionPoorStrongA_________machineSimplifydifficultsumsAn________machineThinklogicallyandproduceananswerquicklyA_________machineSolvedifficult___

8、___________________calculatinganalyticaluniversalmathematicalproblemsDevelop-mentNetworktimes_________storedinTubesLargeSmall____________Smallchips________________NarrowWideFinance________RobotsMobilep