版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
Chapter2ITSupportSystem:ConceptsandManagement1Chapter2Case:FEDEXCo.BackgroundTheproblemThesolutionTheresultsLessenslearned:主動出擊、customercentric2Chapter2InformationSystem-ElementsHardwareSoftwareDataNetworkProceduresPeopleAninformationsystem(IS)collects,processes,stores,analyzes,anddisseminatesinformationforaspecificpurpose“Application”.3Chapter2InformationSystem-ClassificationBySupportFunctionExecutiveSupportSystemManagementInformationSystemDecisionSupportSystemIntelligentSupportSystemsKnowledgeManagementSystemOfficeAutomationSystemTransactionProcessingSystem5-yearsalestrendProfitPlanning5-yearbudgetforecastingProductdevelopmentSalesManagementInventoryControlAnnualbudgetProductionSchedulingCostAnalysisPricingAnalysisSimulationPgmcodingSystemsupportWordProcessingDesktopPublishingOrderProcessingFulfillmentMaterialMovementA/R,A/P,GLPayrollPOS5Chapter2TransactionProcessingSystem(TPS)TPSautomatesroutineandrepetitivetasksthatarecriticaltotheoperationoftheorganization,suchaspreparingapayroll,billingcustomers,Point-of-SaleandWarehouseoperations.DatacollectedfromthisoperationsupportstheMISandDSSsystemsemployedbyMiddleManagementComputerizestheprimaryandmostofthesecondaryactivitiesontheValueChain.Primarypurposetoperformtransactionsandcollectdata.6Chapter2ManagementInformationSystems(MIS)Thesesystemsaccess,organize,summarize,anddisplayedinformationforsupportingroutine
decisionmakinginthefunctionalareas.Gearedtowardmiddlemanagers,MISarecharacterizedmainlybytheirabilitytoproduceperiodicreportssuchasadailylistofemployeesandthehourstheywork,oramonthlyreportofexpensesascomparedtoabudgetDecisionssupportedaremorestructured.Primarypurposetoprocessdataintoinformation7Chapter2IntelligentSupportSystems(ISS)Essentially,artificialintelligence(AI)thesesystemsperformintelligentproblemsolving.OneapplicationofAIisexpertsystems.Expertsystems(ESs)providethestoredknowledgeofexpertstononexperts,sothelattercansolvedifficultortime-consumingproblems.TheseadvisorysystemsdifferfromTPS,whichcenteredondata,andfromMISandDSS,whichconcentratedonprocessinginformation.WithDSS,usersmaketheirdecisionsaccordingtotheinformationgeneratedfromthesystems.WithES,thesystemmakesrecommendeddecisionsfortheusersbasedonthebuilt-inexpertiseandknowledge.9Chapter2ExecutiveSupportSystems(ESS)ESSsystemsorEnterpriseInformationSystems(EIS)originallywereimplementedtosupportSeniormanagement.Thesesystemshavebeenexpandedtosupportothermanagerswithintheenterprise.AttheseniormanagementleveltheysupportStrategicactivitieswhichdealwithsituationsthatsignificantlymaychangethemannerinwhichbusinessisdone.10Chapter2OfficeAutomationSystems(OAS)Electroniccommunicationisonlyoneaspectofwhatisnowknownasanofficeautomationsystem(OAS).Otheraspectsincludewordprocessingsystems,documentmanagementsystemsanddesktoppublishingsystems.OASsystemsarepredominantlyusedbyclericalworkerswhosupportmanagersatalllevels.Amongclericalworkers,thosewhouse,manipulate,ordisseminateinformationarereferredtoasdataworkers.11Chapter2PeopleinOrganizations13Chapter2InformationSystem
-ClassificationByOrganizationalLevels14Chapter2InformationSystem–ClassificationByOrganizationalStructureDepartmentalISEnterprise-WideISInter-OrganizationalISAninformationsystem(IS)canspandepartments,businessunitsandcorporations.Informationsystemsareusuallyconnectedbymeansofelectronicnetworks15Chapter2InformationSystem-ClassificationByFunction(Department)Aninformationsystem(IS)supporteachdepartmentinacorporation.17Chapter2PersonalandProductivitySystemSmallsystemsbuilttosupportindividualsPDA,Excel,etc.Primarygoalistoeaseindividual’sworkorlife18Chapter2AnExampleofFunctionalSystemComputerizedanalysishelpsTexascollect$400millionadditionaltaxesDatawarehouseDataminingAnalyzinglargeamountsofdata,decisionmaking,improvedemployeeproductivity,andincreasedrevenueFunctionalsystemssupportisolatedactivitieswithinadepartment19Chapter221Chapter2ExpandourScopetoIncludeExternalEnvironmentsUpstreamsupplychainincludestheorganization’sfirst-tiersuppliersandtheirsuppliersInternalsupplychainincludesalltheprocessesusedbyanorganizationintransformingtheinputsofthesupplierstooutputsDownstreamsupplychainincludesalltheprocessesinvolvedindeliveringtheproductstofinalcustomersComponentsoftheSupplyChainAsupplychainisaconceptdescribingtheflowofmaterials,information,money,andservicesfromrawmaterialsuppliersthroughfactoriesandwarehousestotheendcustomers.22Chapter2ExpandourScopetoIncludeExternalEnvironmentsContinuedComponentsoftheSupplyChain23Chapter2Inter-OrganizationalSystems(IOS)Twoormoreorganizations25Chapter2GlobalInformationSystemsIOSsthatconnectcompanieslocatedintwoormorecountriesareglobalinformationsystemsManyeCommercesystemsareglobalandexamplesofglobalinformationsystems26Chapter2EmergingComputingEnvironmentsSOATosupportSaaS,systemsaredevelopedasa“federation,”“mash-up”ofservices,andtiedtogetheronlyatthepointofexecutionCalledservice-orientedarchitecture(SOA)Example:MobilTravelGuideusingIBM’son-demandhostingservicesMostSOAsareimplementedinWebServices29Chapter2WebServices30Chapter2EmergingComputingEnvironmentsLimitationsofUtilityComputingSecurityandprivacyissuesVendordependencyandlock-inPerformanceandreliabilityBusinessdatatoocriticaltotrusttooutsidersLossofcontroloverkeyresources31Chapter2EmergingComputingEnvironmentsUtilityComputing
iscomputingthatisasavailable,reliable,andsecureaselectricity,waterservices,andtelephony.Thevisionbehindutilitycomputingistohavecomputingresourcesflowlikeelectricityondemandfromvirtualutilitiesaroundtheglobe—alwaysonandhighlyavailable,secure,efficientlymetered,pricedonapay-as-you-usebasis,dynamicallyscaled,self-healing,andeasytomanage.SubscriptionComputing
is
aformofutilitycomputingthatputsthepiecesofacomputingplatformtogetherasservices,ratherthanasacollectionofseparatelypurchasedcomponents.GridComputing
employsnetworkedsystemstoharnesstheunusedprocessingcyclesofallcomputersinthatgivennetworkthuscreatingpowerfulcomputingcapabilities.Gridcomputingisalreadyinlimiteduse,forexamplethewell-knowngrid-computingprojectSETI(SearchforExtraterrestrialIntelligence)@Homeproject.Inthisproject,PCusersworldwidedonateunusedprocessorcyclestohelpthesearchforsignsofextraterrestriallifebyanalyzingsignalscomingfromouterspace.PervasiveComputing,afutureinwhichcomputationbecomespartoftheenvironment.Computationwillbeembeddedinthings,notincomputers.Webservices
areself-contained,self-describingbusinessandconsumermodularapplications,deliveredviatheInternet,thatuserscanselectandcombinethroughalmostanydevice,rangingfromPCtomobilephones.
32Chapter2ManagerialIssuesThetransitiontoe-business.
Convertinganorganizationtoanetworkedcomputing-basede-businessmaybeacomplicatedprocess.Thee-businessrequiresaclient/serverarchitecture,anintranet,anInternetconnection,ande-commercepolicyandstrategy;allinthefa
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 玉溪师范学院《数据库原理与应用实训》2021-2022学年期末试卷
- 怀文第八章全章教案
- 作文写作方法与思路
- 电动汽车 - 轴向磁通油冷电机
- 2024年速冻调理肉制品项目评估分析报告
- 2024年蓄热式高温预热烧嘴项目成效分析报告
- 2024届广西壮族自治区钦州市高三假期自主综合能力测试(三)数学试题
- 残疾证个体工商户合同
- 采购合同内容汇报模板
- 不可抗拒原因员工解除合同协议书范本
- 精益道场建设方案与步骤课件
- 廉洁文化进校园班级主题班会
- 中国戏剧概述.(课堂PPT)
- 水污染控制工程课程设计(AAO)
- 盘扣式外脚手架施工方案
- 古诗句接龙100首
- 注塑车间生产作业流程图
- 10KV台箱变试验方案
- 司机控制器的发展历史
- 角钢钢材检测报告(共23页)
- 肩峰下撞击综合征ppt课件
评论
0/150
提交评论