CHAPTER 3 Application Software 1. Application Software 课件

《CHAPTER 3 Application Software 1. Application Software 课件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、CHAPTER3ApplicationSoftwareApplicationSoftwareApplicationsSoftwareApplytoreal-worldtasksSolvesuserproblemsvs.OScontrolsthehardwareWhatitDoesGetstheworkdoneSolvesaproblem:HowlargewasTheRomanEmpire?PCSoftwareCharacteristicsUser-friendlyEasyIntuitiveMinimumtraininganddocumentationneededtouseSoft

2、wareTypesCustomSoftwareWrittenbyprogrammersTakesalotoftimetowriteandtestWhenspecificationsareuniqueSoftwareTypesPackagedorCommercialSoldinstores,catalogs,ordownloadablefromtheWWWPurchasedfromsoftwarepublishersMustbeinstalledStandardorcustominstallationThesetupprocesscopiessomeofallofthesoftwa

3、retotheharddiskMayrequiretheCD-ROMtobeinthedrivetorunTask-OrientedSoftwareProductivitySoftwareMakesworkfasterMakesourliveseasierAcquiringSoftwareFreewareFreetoallCopyrightedDistributedinmachine-readableformatSharewareFreelydistributedforatrialperiodPayanominalfeetoregisterwiththeauthorAcquiri

4、ngSoftwarePublic-domainsoftwareUn-copyrightedMaybeusedoralteredwithoutrestrictionGenerallydevelopedundergovernmentgrantsOpen-sourceFreetoallSourcecodeisdistributedMaybeusedoralteredPopularundertheLINUXOSAcquiringSoftwareCommercialsoftwareUsedmostoftenCopyrightedGenerallycostlyMaynotbecopiedwi

5、thoutpermissionofthemanufacturerPurchasingCommercialSoftwareIndividualsSoftwarewarehousestoreMailorderElectronicsoftwaredistributionPurchasingCommercialSoftwareBusinessesVolumediscountSitelicenseNetworkversionsApplicationServiceProvide(ASP)SoftwareissetupandmaintainedbyASPAccessthesoftwareove

6、rtheInternetPayperuseSavestheexpenseofinstallingandmaintainingthesoftwareCopyingSoftwareLegitimatereasonsBackupcopyCopytoharddiskIllegitimatereasonsObtainsoftwarewithoutpayingforitCounterfeitingSoftwareiscopiedontoCD-ROMS/DVD-ROMSPackageduplicatestheoriginalSoldinfleamarketsorsmallstoresCheap

7、erpriceOccursmoreoverseasSoftwarePiracyMakingillegalcopiesofcopyrightedsoftwareWhythefuss?Veryeasytoduplicatesoftwarevs.atextbookSoftwarecompanymaylosehundredsofdollarsperpiratedcopyProsecutionYes:Small-mediumsizedbusinesswhopurchaseafewcopie