【经营管理】成本与进程管理22

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1、BackwardPassJune2002™MJoseph2002CriticalPathPrepare60AppetizersESLSEFLF90120150180StartMakeMunuESLSEFLF00303030ShopforInaredient^60ESLSEFLF30309090CookFoodPrepareIngredientsESLSEFLF909015015(WashTableware45ES1LSIEFLF30

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3、75165SetTable15ESLSLF7590180ExerciseConsi

4、derthedata,onthenextpage,forasmallsoftwaredevelopmentproject(alltimesareindays).A.Drawanetworkdiagramrepresentingtheproject.Putthenodenumbersincirclesanddrawarrowsfromnodetonode,labelingeacharrowwiththeactivityletterandestimatedtime・B.Determinehowmanypathsthereare

5、inthisnetworkdiagram,andlistthepathsandtheirlengths・Forexample,apathmightbewrittenasA-B-E-F-Lwithalengthof12days.C.Whatisthecriticalpathforthisprojectandhowlongisit?D.Whatistheshortesttimeinwhichthisprojectcanbecompleted?E.Canthecriticalpatheverchangeonaproject?F.

6、Cantherebemorethanonecriticalpath?June2002™MJoseph2002(Exercise(cont坛)ActivityInitialNodeFinalNodeEstimatedTimeA122B134C245D256E352F363G472H5821594J696K781L8103M9104June2002™MJoseph200286TimeConstraintJune2002™MJoseph2002AdjustedPERTChartResourceLimitationSCHEDULE

7、SHOWINGEARLIESTPOSSIBLEFINISHQT^k/Vomr?StartOntoEndDuration7995JanufiryFcbriMry1TaskA1/23952'1/958d232TaskB1X23用52/10.9515d3TaskC2/2*9526X953dII14TaskDZ2.9528.'955dIKTaskE2/13/952^5/953d6TaskF2/21/952.22/952d(17TaskG2/13/952.27/9511d8Finish2/27/952.27/95OdSeniorWo

8、rker16.080.080X)80.0120.016.0Hdper8.024.024019.240.040.08QJune2002amMJoseph200289ResourceLimitation(cont坛)SCHEDULEWITHRESOURCELEVELINGSeniorWcxker16.080.064X)40.080.064.080j048.88QHelper&024.016.08.040.032.017.612.02.4DesignStructureMatrixBackground•Stepsinaprojec

9、trepresentasystem•System:groupofelementswhicharetiedtogetherbycommonflowsofmaterialsans/orinformation•Systemsanalysisisalsoknownasprocessanalysisandoperationsresearch•Investigatesthebasicstructureofthesystem(process)toexplorealternativeprocessesandoverallsystemeff

10、iciencyWhatisaDesignStructureMatrix?•BasictoolofSystemsAnalysis•Adirectionalgraphthatdepictsrelatiorisshipofelements•Listsallactivities,theinformationfl