专业英语期末考试--a

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1、OCT;址co卑!OO2黑需玉林师范学院期末课程考试试卷（2010——2011学年度第一学期）命题教师：赵炳炎命题教师所在系：物信系试卷类型：A考试年级：07_课程名称：专业英语考试专业：电子信息I.FindtheChineseCharactersforEachPhrase(20points)1digitize();2analog(）；3antenna();4transmission(）；5amplifier();6resistor(）；7bandwidth();8semiconductor();9resistance();10insulator(）；11valenceelec

2、tron();12carrierfrequency(）；13electromagneticradiation(）；14voltmeter();15modem();16CommunicationSatelliteAct().17wavelength();18information-bearingsignal();19horizontalcoordinate();20opticalfiber();II.TranslatetheFollowingWordsintoChinese(20points)1.高保真，高清晰度（）2.集成电路（）3.万用表)))))))4.卫星通信(5.光学通

3、信(6.超文本文件传输协议(7.发光二极管(8.综合业务数字网(9.电磁波(10.信息安全(III.SingleChoiceQuestion(18points)1.WithinaCPUis(are)()A.thearithmetic/logicunitonlyB.arithmetic/logicunitandcontrolunitC.thecontrolunitonlyD.theprinterandtapedriver2.“Timeshading"meansthat()A.on・lineaccessistimedB.programmingtimeissharedC.manyus

4、ersaccessasingleCRTD.manyusersmayaccessthecomputerconcurrently)3.Inputoroutputdevicesattachedtothecomputersystemon-lineoravailableoff-linearecalled(1.Aprocessofdemonstratingthatasystemcarriesoutitsfunctionsasspecifiediscalled()A.maintenanceB・formattingC.testingD.operating2.Thecorrectionofbug

5、sthatarediscoveredinasystemduringitsproductivelifetime()A.productivityB.maintenanceC・operationD.primaryfunction3.Amicroprocessorcombinedwithmemoryandinputoutputcapabilitiesbecomesa()A.VLSIchipB.ROMC・RAMD.microcomputerIII.Translation(20points)1.QPSX(QueuedPacketandSynchronousSwitch)technolog

6、ywithitshighbandwidthcapacityof150Mbits/secprovidethebasisfortheintegrationofvoiceanddataapplicationsacrossawiderspectrumthanispossiblewiththepresentstageofdevelopmentofISDN.ThesystemisalsocomfortablewithVideo-conferencinge(5points)2.DSP(DigitalSignalProcessors)systemsarecharacterizedbyreal-

7、timeoperation,withemphasisonhighthroughputrate,andtheuseofalgorithmsrequiringintensivearithmeticoperations,notablymultiplicationandaddition.(3points)1.Asystemisformallydefinedasanentitythatmanipulatesoneormoresignalstoaccomplishafunction,therebyyie