feasibility可行性

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1、Chapter2SystemPlanningAnalyzingtheBusinessCaseSystemsplanningisthefirstoffivephasesinthesystemsdevelopmentlifecycle(SDLC)Inthisphase,youwilllearnhowITprojectsgetstartedandhowasystemsanalystevaluatesaproposedprojectanddeterminesitsfeasibility(可行性)PhaseDes

2、criptionIntroductionThetermbusinesscasereferstothereasons,orjustification,foraproposalAstrongbusinesscasesuggeststhatthecompanyshouldpursuethealternative,aboveotheroptions,becauseitwouldbeinthefirm’sbestinteresttodosoStrategicPlanning–AFrameworkforITSyst

3、emsDevelopmentStrategicplanningistheprocessofidentifyinglong-termorganizationalgoals,strategies,andresourcesStrategicPlanningOverviewSWOTanalysisStrategicPlanning–AFrameworkforITSystemsDevelopmentFromStrategicPlanstoBusinessResultsMissionstatementGoalsOb

4、jectivesExamplesofmissionstatementsDescribesacompanyforitsstakeholdersandbrieflystatesthecompany’soverallpurpose,products,services,andvalues.http://www.tsmc.com/english/a_about/a01_profile/a0104_business.htmStrategicPlanningFigure2-4StrategicPlanningFigu

5、re2-4StrategicPlanning–AFrameworkforITSystemsDevelopmentTheRoleoftheITDepartmentinProjectEvaluationManagementleadershipandinformationtechnologyarelinkedclosely,andremarkablechangeshaveoccurredinbothareasMainReasonsforSystemsProjectsSystemsrequestImproved

6、serviceSupportfornewproductsandservicesBetterperformanceMoreinformationInformationSystemsProjectsInformationSystemsProjectsMainReasonsforSystemsProjectsStrongercontrolsEncryptionandbiometricdevicesReducedcostFactorsthatAffectSystemsProjectsInternalandext

7、ernalfactorsaffecteverybusinessdecisionthatacompanymakes,andITsystemsprojectsarenoexceptionInformationSystemsProjectsInternalFactorsStrategicplanTopmanagersUserrequestsInformationtechnologydepartmentExistingsystemsInformationSystemsProjectsExternalFactor

8、sTechnologySuppliersJust-in-time(JIT)CustomersCustomerRelationshipManagement(CRM)CompetitorsInformationSystemsProjectsExternalFactorsEconomyGovernmentEvaluationofSystemsRequestsSystemsreviewcommitteeoracomputerresourcescom