54321Whatarethey?Whatarethey?WelcometomycWelcometomyclass!lass!First,let’splayaFirst,let’splayagame!game!HugecomputerHugecomputerPCPC(personalcomputer)(personalcomputer)laptoplaptop(notebookcomputer)(notebookcomputer)PDA(personalPDA(personaldigitaldigitalassistant)assistant)robotrobotSimilarity?Similarity?They’recomputersindifferentstThey’recomputersindifferentstages.ages.What’snext?What’snext?i-roboti-robot(intelligent(intelligentrobot)robot)WHOAMI?WHOAMI?Unit3Computers——ReadingUnit3Computers——ReadingUnit3Computers——readingJusthaveafastreadingFindouttopicsentencesofeachparagraph.1.OvertimeIhavechangedquitealot.2.Thesechangesonlybecamepossibleasmymemoryimproved.3.Sincethe1970smanynewapplicationshavebeenfoundforme.Let’shaveamoredetailedreading!ReadPara.1in2minsandfiReadPara.1in2minsandfindoutthedevelopmenthistotndoutthedevelopmenthistotyofcomputers.I’llgiveyousyofcomputers.I’llgiveyousomeclues.omeclues.1936(1822)164216421940s1940sLatterAndlatter…acalculatingmachine,in1642ananalyticalmachine,(in1822),CharlesBabbageauniversalmachine,in1936,AlanTuringahugecomputer,aslargeasaroom,in1940sapersonalcomputerandalaptop,andusedinofficesandhomessincethe1970s…acalculatingmachine,in1642帕斯卡计算器是由布莱斯·帕斯卡(BlaisePascal)发明的，帕斯卡计算器可以把一长串数字相加，在他的计算器中有一些互相联锁的齿轮，一个转过十位的齿轮会使另一个齿轮转过一位，人们可以像拨电话号码盘那样，把数字拨进去，计算结果就会出现在另一个窗口中。ananalyticalmachine,(in1822)分析机是由英国数学家查尔斯·巴贝奇设计的一种机械式通用计算机。它的设计逻辑却非常的先进，是大约100年后电子通用计算机的先驱。a“universalmachine”,in1936(notarealmachine,butjustamathematicalmodel)ahugecomputer,aslargeasaroom,inthe1940s尺寸（英尺）30×50电容(个)10000重量（吨）30开关(个)6000真空管(个)18800耗电（W）150000电阻(个)70000成本（1940年）$40万ENIACPara.2Para.2technicalwords•Memory:storageorstoragecapacityasofacomputer,disk,etc.chipchiptransistortransistortubetubenetworknetworkTheWorldWideWebPara.2Para.2•Readitbyyourselvesin1minanduseanReaditbyyourselvesin1minanduseanotherminutetoputforwardaquestionforotherminutetoputforwardaquestionforyourclassmates.yourclassmates.ShowtimeShowtime•RaiseyourquestionandwinonescoreforyourRaiseyourquestionandwinonescoreforyourgroup!group!•AndofcourseyoucanalsowinonescoreforyoAndofcourseyoucanalsowinonescoreforyourgroupbyansweringquestions.urgroupbyansweringquestions.•Oneperson,onechance!Oneperson,onechance!ShowtimeShowtimeWell-done!Well-done!Thesechangesonlybecamepossibleasmymemoryimproved.•tubes•transistors•smallchips•network•WorldWideWebmoreandmoreandmorepomorepowerful!werful!Para.3Findsomesupportingdetailsforthetopicsentence.1minute.Sincethe1970smanynewapplicationshavebeenfoundforme.Sincethe1970smanynewapplicationshavebeenfoundforme.•communications•finance•trade•robots•mobilephones•medicaloperations•spacerockets•exploringtheMoonandMarsAnyhow,mAnyhow,mygoalistoygoalistoprovideprovidehuhumansmanswithwithalifeofgoalifeofgoodquality.odquality.Name:computerBorn:(time)_______(place)__________Myrealfather:_______________Mysize:1._______________(inthepast)2.____________________(modern)Myhistory:1.1642___________machine2.1822__________machine3.1936__________machine4.1940s______________5.1970s_______and______Mymemory:________________________Myapplications:_______________;________;_______________;________;_______________;______________;_______________...1642FranceAlanTuringhugesmallerandsmalleranalyticalcalculatinguniversallaptopPCtubestransistorschipscommunicationfinancerobotmobilephonespacerocketmedicaloperationtradehugecomputerWritingskillsWritingskills1.personification（拟人）2.narrativeperspective:first-personnarrative（叙述角度：第一人称角度）3.chronologicalorder(时间顺序)4.mainideasandsupportingdetails（主旨+支撑细节）Howdoweusecomputersindailylife?ComputersComputersBBEECCDDAAcommunicationentertainmentinformationworkandjobcommerce/financeonlinecommunication–chatting–sendingE-mails–expressingideasonline–makingnewfriends–…entertainment–playinggames–watchingmovies–listeningtomusic–…information–readingnews–searchingforusefulinformation,suchaspriceinformation,jobinformationandsoon–askingquestionsandseekingforhelp–…commerce/financeonline–shoppingonline–transferringaccounts–payingallkindsofbills,suchaswater&electricityfees,cellphonefeesandsoon–speculatinginstocksonline–…workandjob–usingcomputerstodojobs–applyingforjobsonline–doingresearch–…HomeworkThemovieWallEMoreinformationaboutthedevelopmentofcomputers.
