专业英语课后习题答案.doc

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1、AcrossNum.ClueAnswer1Themostessentialpartofaninformationsystem.People7Coordinatescomputerresources・OperatingSystem10Modifiessignalsforprocessing.Modem12Datathathasbeenprocessedbythecomputer.Information13Unprocessedfacts.Data14Notebookcomputerthatacceptshandwritteninput..TabletPCDownNum.ClueAnsw

2、er2Usescomputerstobecomemoreproductive・EndUser3Rulesorguidelinestofollowwhenusingsoftware,hardware,anddata・Procedures4Createdbywordprocessors・DocumentFiles5Specializedprogramsthatallowinputandoutputdevicestocommunicate・DeviceDrivers6Createdbydatabasemanagementprograms.DatabaseFiles8Thephysicale

3、quiprnentofamicrocomputer.Hardware9Theworld'slargestcomputernetwork・Internet13Providesstep-by-stepinstructionstothecomputer.SoftwareNumMultipleChoiceAnswersMatchingAnswers1BE2BF3AI4BH5DA6DC7AG8CB9DD10DJAcrossNum.ClueAnswer2ProvideusersaconnectiontotheInternet.ISP3Unwelcomee-mail.Spam5Explorethe

4、Web.Surf7Intemetuploadinganddownloadingservice・FTP8Stealscreditcardinformation.Carder9Afile,suchasadocumentorworksheet,thatisattachedtoane-mailmessage.Attachment1()InvoIvesthesaleofaproducttoanotherbusiness・B2B13ConnectiontoWebresources.Link15Processoftransferringinformationfromaremotecomputert

5、othecomputeroneisusing・DownloadDownNum.ClueAnswer1Thesitesthatasearchenginereturnsafterrunningakeywordsearch.Hits4SpecialprogramwritteninJava・Applet5Locatesinformationonline・SearchEngine6LocationofWebresource・URL11ProgramthatprovidesaccesstoWebBrowser12Usedtoblockcertainsites.Filter14Provideshi

6、gh-speedconnectionusingexistingtelephonelines・DSLNumMultipleChoiceAnswersMatchingAnswers1d■12ad3cg4ce5af6ac7ah8a■J9da10bbAcrossNum.ClueAnswer4Rectangularareathatcontainsmessages・Window5Systemtoorganizeandretrievedata.DBMS8Collectionofindividualapplications・SoftwareSuite10Rearrangerecordsusingaf

7、ield・Sort11Formedbyintersectionofrowandcolumn.Cell14Collectionofrelateddata・Database16Flyer,report,newsletter,Webpage・Document17Thesemakeupapresentation.Slides18Questionorrequestfordatainadatabase.QueryDownNum.ClueAnswer1Listofcom