计算机科学引论答案

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1、ComputingEssentials2008练习答案Chapter1:InformationTechnology,TheInternet,andYouCrosswordPuzzleAnswers:AcrossNum.ClueAnswer1Themostessentialpartofaninformationsystem.People7Coordinatescomputerresources.OperatingSystem10Modifiessignalsforprocessing.Modem12Datathathasbeenproces

2、sedbythecomputer.Information13Unprocessedfacts.Data14Notebookcomputerthatacceptshandwritteninput..TabletPCDownNum.ClueAnswer2Usescomputerstobecomemoreproductive.EndUser3Rulesorguidelinestofollowwhenusingsoftware,hardware,anddata.Procedures4Createdbywordprocessors.Document

3、Files5Specializedprogramsthatallowinputandoutputdevicestocommunicate.DeviceDrivers6Createdbydatabasemanagementprograms.DatabaseFiles8Thephysicalequipmentofamicrocomputer.Hardware9Theworld’slargestcomputernetwork.Internet13Providesstep-by-stepinstructionstothecomputer.Soft

4、wareMultipleChoiceAnswersBBABDDACDDMatchingAnswersEFIHACGBDJChapter2:TheInternet,TheWeb,andElectronicCommerceCrosswordPuzzleAnswers:AcrossNum.ClueAnswer2ProvideusersaconnectiontotheInternet.ISP3Unwelcomee-mail.Spam5ExploretheWeb.Surf7Internetuploadinganddownloadingservice

5、.FTP8Stealscreditcardinformation.Carder9Afile,suchasadocumentorworksheet,thatisattachedtoane-mailmessage.Attachment10Involvesthesaleofaproducttoanotherbusiness.B2B13ConnectiontoWebresources.Link15Processoftransferringinformationfromaremotecomputertothecomputeroneisusing.D

6、ownloadDownNum.ClueAnswer1Thesitesthatasearchenginereturnsafterrunningakeywordsearch.Hits4SpecialprogramwritteninJava.Applet5Locatesinformationonline.SearchEngine6LocationofWebresource.URL11ProgramthatprovidesaccesstoWebBrowser12Usedtoblockcertainsites.Filter14Provideshig

7、h-speedconnectionusingexistingtelephonelines.DSLNumMultipleChoiceAnswersDACCAAAADBMatchingAnswersidgefchjabChapter3:BasicApplicationSoftwareCrosswordPuzzleAnswers:AcrossNum.ClueAnswer4Rectangularareathatcontainsmessages.Window5Systemtoorganizeandretrievedata.DBMS8Collecti

8、onofindividualapplications.SoftwareSuite10Rearrangerecordsusingafield.Sort11Formedbyintersection