資源描述:
《管理信息系統(tǒng)的系統(tǒng)分析ppt課件.ppt》由會員上傳分享,免費在線閱讀,更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、FunctionBusinessplanProductionmanufacturingDataclassCUUTechnicalpreparationMarketingFinanceandaccountingPersonnelUUUUCUUUUCCUUUUCUCCUUUCUCUUUUUCUUCUCUUUCUUUCUUUUCCUUUUOperationplanFinancialplanAssetsizeProductforecastsproductionprocessInventorycontrolSalesregionmanagementDispatchOperation
2、ssequenceMaterialRequirementProductionCapacityPlanningProductdesign&developmentCostaccountingEmployingplanMarketanalysisFinancialaccountingShipmentOrderingserviceAchievementevaluationFinancialplanPlanProductionInventorycostMaterialslistPartrequirementTaskformMaterialstockStaffCostOrdergoo
3、dsSalesregionClientTechnologicalprocessMaterialssupplyEquipmentload■定義信息結(jié)構(gòu)-劃分子系統(tǒng)、確定子系統(tǒng)的實施順序數(shù)據(jù)類dataclass功能FunctionDataclass1數(shù)據(jù)類1數(shù)據(jù)類3數(shù)據(jù)類6數(shù)據(jù)類2數(shù)據(jù)類5數(shù)據(jù)類8數(shù)據(jù)類10數(shù)據(jù)類4數(shù)據(jù)類7數(shù)據(jù)類9function1CCUU功能2UU功能4UUC功能8UUU功能3CUCU功能6UCU功能7UUC功能5CCU功能9UUU功能10UUC4.Subsystemdivision子系統(tǒng)的劃分BSPmethodisAccordingtoinformatio
4、nusedandcreatetodividingsubsystems,ittrytodividetheenterpriseprocesscreateinformationanduseinasubsystem,andareductionintheinformationexchange.Theprocedureisasfollows:BSP方法是根據(jù)信息的產(chǎn)生和使用來劃分子系統(tǒng)的,它盡量把信息產(chǎn)生的企業(yè)過程和使用的企業(yè)過程劃分在一個子系統(tǒng)中,從而減少了子系統(tǒng)之間的信息交換。劃分子系統(tǒng)的步驟如下:(1)MakeU/Cmatrix.Usingdefinedfunctionsand
5、dataclasstomakeaformoffunctionanddata,i.e.U/Cmatrix,asshowninthetable.RowsoftheMatrixrespectdata,andcolumnsrepresentfunction,anduseletterU(use)andC(create)meanthefunctionsuseandcreatedata.TheintersectionsuperscriptCmeansthedatageneratedbythecorrespondingfunction.MarkingUmeansthefunctionus
6、ingthisdataclass.作U/C矩陣。利用定義好的功能和數(shù)據(jù)類作一張功能/數(shù)據(jù)類表格,即U/C矩陣,如表所示。矩陣中的行表示數(shù)據(jù)類,列表示功能,并用字母U(use)和C(create)表示功能對數(shù)據(jù)類的使用和產(chǎn)生,交叉點上標(biāo)C的表示這個數(shù)據(jù)類由相應(yīng)的功能產(chǎn)生,標(biāo)U的表示這個功能使用這個數(shù)據(jù)類。(2)Adjustmentfunction/dataclassmatrix.Atbeginningclassandprocessdataisinrandomarrangement,U,Cinthematrixarrangementisdispersive,willhavet
7、obeadjusted.調(diào)整功能/數(shù)據(jù)類矩陣。開始時數(shù)據(jù)類和過程是隨機(jī)排列的,U、C在矩陣中排列也是分散的,必須加以調(diào)整。First,accordingtoalistoffunctionarrangement,eachfunctionalgroupsarrangeaccordingtotheresourcesinthelifecycleoffourstages.Functionalgroupswiththesametypesoffunction,suchas“businessplan”“financialplanning”be