chapter1——管理信息系统概论new

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1、酒店管理信息系统HotelManagementInformationSystemsChapterOne•IntroductiontoInformationSystemManagementSectionOverview•InformationManagement–Thissectioncoversinformationsystems,theirtypesanduses,thedesignofaninformationsystem,basicformsofnetworking,databasebasics,formsofartificialintelligence,andfo

2、rmsofelectroniccommerce.Topic1NatureandPurposeofanInformationSystemInformationSystem•Fourbasiclevels:–Strategic(Seniormanagers)–Management(Middlemanagers)–Knowledge(Knowledgeanddataworkers)–OtOperatiilonal(Operationalmanagers&ddttepartmentemployees)InformationSystem•Sixbasictypes:–Executi

3、vesupportsystems(ESS)–Managementinformationsystems(MIS)–Decisionsupportsystems(DSS)–KlKnowleddgeworksystems(KWS)–Officesystems–TiTransactionprocessingsystems(TPS)LevelsandTypesofBusinessInformationSystemsHighSmallStrategicNumberLevelsof(CEO,CFO…)ofusersinformationType:ESSsystemsrequiredMa

4、nagement(ProductManager,…)Types:MIS/DSSLowKnowledge/OperationalLarge(Knowledgeworkers,operationalemployees)Types:KWS,Officesystems,TPSBusinessFunctionSupportSalesandmarketingStrategicOperationsFinanceandManagementaccountingKnowledgeandoperationalHumanresourcesTopic2SystemsDevelopmentandDe

5、signSystemsDevelopmentLifeCycle•TraditionalSystemsDevelopmentLifeCycle–Sequentialprocess–Specificationsfrozenintheearlystage–Longtimetoimplementandcostlytochange•AlternativeSystemsDevelopmentLifeCycle–Repeatedstepsandsimultaneoussteps–Prototyping(usershavemoreinteraction,enduserdevelopmen

6、t)–Outsourcing(lesscontrol)SystemsDevelopmentLifeCycleConversionPdtProductiidonandmaintenanceTestingorcustomizationSystemsanalysisProgrammingorsystemselectionSystemsdesignConversionPlanning•Directcutover•Parallelstrategy•Pilotstudy•PhasedapproachCost‐BenefitAnalysis•UseCost‐BenefitAnalysi

7、stodetermineifandwhentheprojectwillpayforitselfbyconsideringtotalcosts,tangiblebenefitsandintangiblebenefits.Thelargertheratio,themoreworthytheprojectis.Cost‐BenefitRatio=TotalBenefits/TotalCostsTopic3TechnologyofInformationSystemsComputerClassification•Mainframe(la