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?計(jì)算機(jī)英語(yǔ)?課件Chapter7ApplicationSoftwareChapter7ApplicationSoftwareObjectiveAfterreadingthischapter,youshouldbeableto:Identifythesystemsoftwarefromtheapplicationsoftware.Discusscommonfeaturesofmostapplicationsoftware.Givesomeexamplesofcommonlyusedapplicationsoftware.7.2CommonFeaturesofApplicationSoftware1.Window.Awindowissimplyarectangularareaonadisplayscreen.7.2CommonFeaturesofApplicationSoftware2.Menus.Menusarealistofcommandsoroptionsfromwhichyoucanchoose.7.2CommonFeaturesofApplicationSoftware3.Help.Helpisanonlinedocumentation.7.2CommonFeaturesofApplicationSoftware4.Toolbar.ToolbarisaseriesofselectablebuttonsinaGUIthatgivetheuseraneasywaytoselectdesktop,applicationorWebbrowserfunctions.7.3BrowsersShortforWebBrowser,itisasoftwareapplicationwhichenablesausertodisplayandinteractwithtext,images,videos,music,gamesandotherinformationtypicallylocatedonaWebpageataWebsiteontheWorldWideWeboralocalareanetwork.Webbrowsersarethemost-commonly-usedtypeofHTTPuseragent.7.3BrowsersExamplesofWebBrowsersare:NetscapeNavigatorMicrosoftInternetExplorerOperaSafariFirefox7.3Browsers7.4WordProcessorsAwordprocessorisacomputerapplicationusedfortheproduction(includingcomposition,editing,formatting,andpossiblyprinting)ofanysortofprintablematerial.Mostwordprocessorsarepowerfulsystemsconsistingofoneormoreprogramsthatcanproduceanyarbitrarycombinationofimages,graphicsandtext,thelatterhandledwithtype-settingcapability.7.4WordProcessorsMicrosoftWordisthemostwidelyusedcomputerwordprocessingsystem;Therearealsomanyothercommercialwordprocessingapplications,suchasKingsoftWPS.7.4WordProcessorsWordprocessorsvaryconsiderably,butallwordprocessorssupportthefollowingbasicfeatures:Inserttext.

Deletetext.Cutandpaste.Copy.Pagesizeand

margins.Searchand

replace.Wordwrap.Print.

7.5SpreadsheetsSpreadsheetprogramsorganize,analyze,andgraphnumericdatasuchasbudgetsandfinancialreports.Thereareanumberofspreadsheetapplicationsonthemarket,Lotus1-2-3andExcelbeingamongthemostfamous.7.5Spreadsheets7.6DatabaseManagementSystemsToaccessinformationfromadatabase,youneedadatabasemanagementsystem(DBMS).Thisisasetofcomputerprogramsthatcontrolsthecreation,maintenance,andutilizationofthedatabasesofanorganization.ThreeofthemostwidelyusedDBMSareMicrosoftAccess,CorelParadox,andLotusApproach.7.6DatabaseManagementSystemsTherelationaldatabaseisthemostwidelyuseddatabasestructure.Therelationaldatabasesareorganizedbyfields,records,andtables.7.7PresentationGraphicsPresentationgraphicsisatypeofbusinesssoftwarethatenablesuserstocreatehighlystylizedimagesforslideshowsandreports.ThreeofthemostwidelyusedpresentationgraphicsprogramsareMicrosoftPowerPoint,CorelPresentations,andLotusFreelanceGraphics.7.7PresentationGraphics7.8SoftwareSuitesAsoftwaresuiteisacombinationofindividualsoftwarepackageswhichshareacommongraphicaluserinterfaceandaredesignedforeasytransferofdatabetweenapplication

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