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Need Planning Analysis Design Implementation System Need Planning Analysis Design Implementation System

Fundamental SDLC Phases Fundamental SDLC Phases

Minor Step Deliverable 1. Identify business value 2. Analyze feasibility 3. Develop work plan Minor Step Deliverable 1. Identify business value 2. Analyze feasibility 3. Develop work plan 4. Staff project System request Feasibility study Work plan Staffing plan, Project charter Project management tools CASE tool Standards list Project binders / files Risk assessment 5. Control and direct project

Minor Step Deliverable 6. Analyze problem Analysis plan 7. Gather information Information 8. Model Minor Step Deliverable 6. Analyze problem Analysis plan 7. Gather information Information 8. Model process(es) Process model 9. Model data Data model

Minor Step Deliverable 10. Design physical system Design plan 11. Design architecture Architecture design, Minor Step Deliverable 10. Design physical system Design plan 11. Design architecture Architecture design, Infrastructure design 12. Design interface Interface design 13. Design database and files Data storage design 14. Design program(s) Program design

Minor Step Deliverable 15. Construction Test plan, Programs, Documentation 16. Installation Conversion plan, Training Minor Step Deliverable 15. Construction Test plan, Programs, Documentation 16. Installation Conversion plan, Training plan

CASE Tools CASE Tools

CASE Tools CASE Tools

Project Management (PM) Project Management (PM)

Skills for Project Managers Skills for Project Managers

Implementation Failures (DW Example) Implementation Failures (DW Example)

Alternative Development Methodologies Alternative Development Methodologies

Parallel Development Parallel Development

Phased Development Phased Development

Prototyping Prototyping

Need Planning Analysis Design Implementation Prototype Not OK Prototype OK System Need Planning Analysis Design Implementation Prototype Not OK Prototype OK System

Throwaway Prototyping Throwaway Prototyping

Need Planning Analysis Design Prototype Not OK Implementation Design Prototype System Need Planning Analysis Design Prototype Not OK Implementation Design Prototype System

Prototyping for DSS Development Prototyping for DSS Development

Prototyping Terms Prototyping Terms

Need Planning Analysis Design Implementation Prototype Not OK Prototype OK System Need Planning Analysis Design Implementation Prototype Not OK Prototype OK System

Why Prototyping? Why Prototyping?

Advantages of Prototyping Advantages of Prototyping

Disadvantages of Prototyping Disadvantages of Prototyping

DSS Development Platforms DSS Development Platforms

Hardware Selection Hardware Selection

Software Selection Software Selection

Team-Developed DSS Team-Developed DSS

Developing DSS: Putting the System Together Developing DSS: Putting the System Together