高中英语-Unit3《Computers》课件22-新人教版必修2

Unit3Computers

Period1Warmingup第一页，编辑于星期四：二十三点四十九分。Heavy!Difficult!Hard!Tired!第二页，编辑于星期四：二十三点四十九分。Easy!Fast!Free!第三页，编辑于星期四：二十三点四十九分。keyboardmousemonitorscreenspeakerhostcomputercamera第四页，编辑于星期四：二十三点四十九分。Whatdotheyhaveincommon?anabacusacalculatoradesktopanotebookcomputeralaptop第五页，编辑于星期四：二十三点四十九分。digitalcameraarobot第六页，编辑于星期四：二十三点四十九分。(Whatdotheyhave

incommon?)Ithinkthat…Inmyopinion…Ibelievethat…What’syourreason?Whydoyouthinkso?1.Theycanbeusedforcalculating.2.Theycandealwithmathsproblems.3.Theyareourfriends.4.Theyareusefulandhelpful.Discussion第七页，编辑于星期四：二十三点四十九分。workforusinMars(火星)What’snext?第八页，编辑于星期四：二十三点四十九分。carrythingsworkinwars(战斗)第九页，编辑于星期四：二十三点四十九分。仿真机器人entertainment娱乐Whatdoyouthinkwillbethenextdevelopment?第十页，编辑于星期四：二十三点四十九分。CD--DVD-ROMDVDRWCRTmonitorLCDmonitorCPUharddiscchips/motherboardsomehardware:使用阴极射线管(CathodeRayTube)的显示器

Liquid

Crystal

Display

第十一页，编辑于星期四：二十三点四十九分。keyboardmousemodemscannerprinterspeaker第十二页，编辑于星期四：二十三点四十九分。floppydisc/diskUSBflashdiscCD/VCD/DVDMP3playerMP4playerMemory:(存储器)第十三页，编辑于星期四：二十三点四十九分。移动硬盘USBFlashdisc1TB固态硬盘T硬盘Harddisc:第十四页，编辑于星期四：二十三点四十九分。Core2Duo

酷睿2:4核龙芯8核cpu:第十五页，编辑于星期四：二十三点四十九分。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主页第十六页，编辑于星期四：二十三点四十九分。Reading:WhoamI?第十七页，编辑于星期四：二十三点四十九分。Skimming:Readandanswerthesequestions:2.Whowasthefirstpersontoinventtheearliestcomputer?

3.Whowasthenextimportantpersontodesigncomputers?

CharlesBabbageAlanTuring1.WhoamI?Acomputer.第十八页，编辑于星期四：二十三点四十九分。timeline1642:

1822:

1936:

1940s:1960s:1970s:Now:Scanning:Thecomputerbeganasacalculatingmachine.theAnalyticalMachinewasbuiltbyCharlesBabbage.Thecomputergrewrapidlybothinsizeandinbrainpower.Computerhadgrownaslargeasaroom.Computerswereusedinofficersandhomes.Computersconnectpeopleallovertheworldtogether.thefirstfamilyofcomputerswasconnectedtoeachother第十九页，编辑于星期四：二十三点四十九分。Thehistoryofcomputers第二十页，编辑于星期四：二十三点四十九分。thesecondgeneration(1956-1963)thethirdgeneration(1964-1971)thefourthgeneration(1971-)Thefirstgeneration(1945-1956)第二十一页，编辑于星期四：二十三点四十九分。Thedevelopmentofcomputers:CalculatingmachineAnalyticalmachineUniversalmachineArtificialintelligenceComputerInternet计算器分析机万能机,通用机器人工智能第二十二页，编辑于星期四：二十三点四十九分。Develop-mentEarlydaysNameFunctionPoorStrongA_________machineSimplifydifficultsumsAn________machineThinklogicallyandproduceananswerquicklyA_________machineSolvedifficult______________________calculatinganalytical

universal

mathematicalproblems第二十三页，编辑于星期四：二十三点四十九分。Develop-mentNetworktimes_________storedinTubesLargeSmall____________Smallchips________________Narrow

WideFinance________RobotsMobilephones___________SpacerocketsMedicaloperationsMemoryTransistorsApplicationsCommunicationTrade第二十四页，编辑于星期四：二十三点四十九分。Intensivereading:Underlinethephrases&sentencesthatyouthinkareimportant第二十五页，编辑于星期四：二十三点四十九分。Starsentences:P1L2I_______instructionsfromcardswithholes.P15EarlierIwasnotverybig,butthenIbecame______.P1L6However,peoplethoughtIwas___________untilthey_________Ihad“artificialintelligence.〞我执行穿孔卡的指令早些时候我并不是很大，但是后来我变得非常大可是，人们认为我头脑简单，直到发现我有人工智能时，他们才不那么想了。followedhugesimple-mindeddiscovered第二十六页，编辑于星期四：二十三点四十九分。P1L8Astheyearshave________,Ihavebeenmadesmallerandsmaller.P2L1Therewere______whenmysizewas________changed.P2L3ButIwasalwayssolonely_______therebymyself,untilintheearly1960s,theygavemeafamily________byanetwork.随着岁月的流逝，我被做得越来越小了.有段时期我的体积完全变了但是我总是孤孤单单地站在那里，直到60年代初，人们才给了我一个用网络连接的家庭。gonebytimestotallystandingconnected第二十七页，编辑于星期四：二十三点四十九分。Advantagesanddisadvantagesofthecomputers.Discussion第二十八页，编辑于星期四：二十三点四十九分。

advantages

wecancommunicatewithfriendslistentothemusicseefilms&watchnewsplaygamesdoshoppingsavealotoftimedoalotofusefulthings

DisadvantagesSomepeopleespeciallytheteenagersabandon(沉迷于)themselvestothe