《计算机专业英语》作业

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1、《计算机专业英语》作业及参考答案 Chapter1一、单项选择：1.Thebasichardwarecomponentsofapersonalcomputersystemconsistofthe.a.keyboardanddisplayb.systemunitc.disk-driveandprinterd.allofabove2.Akeyboardisadevicethatconvertsintothatcanbeelectronicallymanipulatedbythecomputer.a.data/informationb.keystr

2、okes/specialcodesc.specialcodes/keystrokesd.information/data3.Systemsoftwareincludesand.a.operatingsystemandapplicationsoftwareb.operatingsystemandprogramminglanguagec.special-purposeprogramsandapplicationsoftwared.OSandspecial-purposeprograms4.Themethodwithwhichprintersfor

3、mcharacterscaninclude.a.strikingribbonwithahammerb.sprayinginkwithanozzlec.transferringthepatternwithheatorlaserd.allofabove5.DOScanbeusedwithmachine.a.IBM-compatibleb.themachinethatwasmadebefore1981c.PDP-11d.VAX二、判断正误：1.MostRAMistemporary,losingitscontentswhenthecomputer’s

4、poweristurnedoff.2.TheprimarypurposeofOSistosupportapplicationprograms.3.Keyboardsaretheonlywaytocommunicatewithacomputer.4.ROMisread-onlymemory.5.Personalcomputersaresophisticatedthanlargermainframeandminicomputerrelatives.三、词汇连线：1.computera.Raw,unstructured,unprocessedfac

5、ts.2.datab.Themeaningahumanbeingassignstodata.3.informationc.Aseriesofinstructionsthatguidesacomputerthroughsomeprocess.4.processord.Thecomponentofacomputerthatselectsandexecutesinstructions.5.programe.Amachinethatprocessesdataintoinformationundercontrolofastoredprogram.四、英

6、译汉：Whatisacomputer?Thebasicjobofcomputersistheprocessingofinformation.Forthisreason,computerscanbedefinedasvery-high-speedelectronicdeviceswhichacceptinformationintheformofinstructionscalledaprogramandcharacterscalleddata,performmathematicaland/orlogicaloperationsontheinfor

7、mation,andthensupplyresultsoftheseoperations.Theprogram,orpartofit,whichtellsthecomputerswhattodoandthedata,whichproviderawfactsneededtosolvetheproblem,arekeptinsidethecomputerinaplacecalledmemory.Computersarethoughttohavemanyremarkablepowers.However,mostcomputers,whetherla

8、rgeorsmall,havethreebasiccapabilities.First,computershavecircuitsforperformingarit