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Managing Information System Development Projects IS 460 Notes by Thomas Hilton.

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1 Managing Information System Development Projects IS 460 Notes by Thomas Hilton

2 System Development Life Cycle (SDLC) Feasibility Study: Scope, Stakeholders, Make-buy, CBA Feasibility Study: Scope, Stakeholders, Make-buy, CBA Analysis: Present System, DFDs, etc. Analysis: Present System, DFDs, etc. Design : General, Detailed Design : General, Detailed Construction: Hardware Acquisition, Software Coding, System Testing Construction: Hardware Acquisition, Software Coding, System Testing Implementation: Direct, Phased, Site, Simultaneous Implementation: Direct, Phased, Site, Simultaneous Maintenance: Errors, Changing Business Needs Maintenance: Errors, Changing Business Needs Start Over when maintenance costs exceed new system costs. Start Over when maintenance costs exceed new system costs.

3 Other Development Models Waterfall vs. Spiral Waterfall vs. Spiral Prototyping Prototyping Rapid Application Development (RAD) Rapid Application Development (RAD) Joint Application Development (JAD) Joint Application Development (JAD) Agile Agile Extreme Extreme

4 Managing the Project: Teams and Roles Team Lead Team Lead System Analyst System Analyst Programmer Programmer User Documentation/Training Specialist User Documentation/Training Specialist Project Librarian Project Librarian Quality Assurance Specialist Quality Assurance Specialist

5 Managing the Project: Schedules Gantt Charts (MS Project) Gantt Charts (MS Project) PERT Charts (Visio) PERT Charts (Visio) Critical Path Charts (Rational Rose) Critical Path Charts (Rational Rose)

6 Managing the Project: Costs Feasibility Study 5% Feasibility Study 5% Analysis10% Analysis10% Design10% Design10% Construction25%-50% Construction25%-50% Implementation25%-50% Implementation25%-50% Maintenance 5%* Maintenance 5%* *annual cost as percent of initial project

7 Cost-Benefit Analysis Quantify all Costs Quantify all Costs Quantify all Benefits Quantify all Benefits If Benefits Exceed Costs, Do It. If Benefits Exceed Costs, Do It. CBA is Cost-Biased: CBA is Cost-Biased: Many Costs are Present and Tangible Many Costs are Present and Tangible Many Benefits are Future and Intangible Many Benefits are Future and Intangible Must Have a Champion! Must Have a Champion!

8 Estimating Time & Cost W.A.G. W.A.G. Consult Past Projects Consult Past Projects Break Down Phases into Tasks and Tasks into Steps Break Down Phases into Tasks and Tasks into Steps Average Best & Worst Case Average Best & Worst Case Add a Fudge Factor from Experience Add a Fudge Factor from Experience

9 Ethics Issues Pressure to Accept Unrealistic Parameters from Stakeholders Pressure to Accept Unrealistic Parameters from Stakeholders GroupThink GroupThink Working Conditions Working Conditions Team Member Relationships Team Member Relationships Vendor Relationships Vendor Relationships Hiding Mistakes Hiding Mistakes Other? Other?


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