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CHAPTER22
SYSTEMSDESIGN,IMPLEMENTATION,ANDOPERATION
Instructor’sManual
LearningObjectives:
1.Discusstheconceptualsystemsdesignprocessandthe
activitiesinthisphase.
2.Discussthephysicalsystemsdesignprocessandthe
activitiesinthisphase.
3.Discussthesystemsimplementationandconversion
processandtheactivitiesinthisphase.
4.Discussthesystemsoperationandmaintenanceprocess
andtheactivitiesinthisphase.
Questionstobeaddressedinthischapterinclude:
1.Shouldherteamdevelopwhatitconsiderstobethebestapproach
tomeetingSM’sneeds,orshouldtheydevelopseveralapproaches?
2.Howcansheensurethatsystemoutputwillmeetuserneeds?When
andhowshouldinputbecaptured,andwhoshouldcaptureit?
WhereshouldAISdatabestored,andhowshoulditbeorganized
andaccessed?
3.HowshouldSMconvertfromitscurrenttoitsnewAIS?Howmuch
timeandeffortwillbeneededtomaintainthenewAIS?Inwhat
capacityshouldAnn’saccountingstaffparticipate?
Introduction
Accountantsshouldhelpkeeptheprojectontrackbyevaluatingand
measuringbenefits,monitoringcosts,andensuringthattheproject
staysonschedule.
Effectivesystemsanalysisanddesigncanensurethatdevelopers
correctlydefinethebusinessproblemanddesigntheappropriate
solution.
Thischapterdiscussestheotherfoursteps(seeFigure22-1)inthe
systemsdevelopmentlifecycle:
1.Conceptualsystemsdesign
2.Physicalsystemsdesign
3.Systemsimplementationandconversion
4.Operationandmainten
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