计算机专业英语 教学课件 作者 茹庆云 lesson one.ppt

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1、ComputerEnglishUnit1IntroductiontoComputerScienceLessonOneComputerIntroduction计算机英语TextOneKeypoints:Whatiscomputer?Whatisacomputer’scharacteristic?Classificationofthecomputer?Difficultpoints:Howmanygenerationsthecomputerhave?Whatisthecharacteristicofeverygeneration?计算机英语Requirements:Bytheendo

2、fthislesson,youshouldbeabletoknowWhatisComputerandit’scharacteristic?Majorcharacteristicsofthefourgenerationsofmoderncomputers.Basiccharacteristicsofeverygeneration’scomputers.计算机英语Abstract:Thistexttellsofthebasicknowledgeofacomputer.Itincludescomputer’scharacteristic,classification.Keywords:com

3、puter;hardware;generationclassification;characteristic计算机英语automaticallyadv.自动地repetitiveadj.各自的retrievev.恢复，补救physicaladj.物理的，自然的auxiliaryadj.辅助的，附加的，副的n.补助物mainmemory主存auxiliarymemory辅存executev.执行，实现prerecordv.事先录音microprocessorn.微处理器NewWordsAndExpressions计算机英语inadditiontoadv.除…什么之外monitorn.显示

4、器simultaneouslyadv.同时地technologicaladj.科技的fundamentallyadv.基础地，根本地Vacuumtube电子管transistor晶体管crypticadj.秘密的，神秘的binaryadj.二进位的symbolicadj.象征的，符号的semiconductorn.半导体artificialintelligence人工智能计算机英语NOTESThetwoprincipalcharacteristicsofacomputerare:Itrespondstoaspecificsetofinstructionsinawell-definedm

5、anner；Itcanexecuteaprerecordedlistofinstructions(aprogram).关于计算机的两个基本的特点是：一是它以一种预先定义好的方式对一系列特殊的指令作出反应；二是它执行一系列预先定义记录好的指令。（程序）计算机英语TextTwoKeypoints:Whatistheuseoftheinputdevice?Knowaboutofsomeexamplesofinputdevicesandtheircharacteristics.Difficultpoints:divisionofdifferentinputdevices计算机英语Requ

6、irements:Bytheendofthistext,youshouldbeabletoknowTheuseoftheinputdevice.Someexamplesofinputdevicesandtheircharacteristic.计算机英语Abstract:Thistexttellsoftheinputdevicesanditscharacteristic,thenittellssomeexamplesofinputdevices.Keywords:inputdevice;Keyboard;Mouse;Joystick;Digitizingtablet;Touchsensi

7、tivescreen;Lightscreen;Barcodereader;Scanner;Opticalmarkreader;Magneticreader;Voicedataentry计算机英语automaticallyadv.自动地repetitiveadj.各自的retrievev.恢复，补救physicaladj.物理的，自然的auxiliaryadj.辅助的，附加的，副的n.补助物mainmemory主存auxiliarymemory辅