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Chapter 12

Chapter 12. Every business situation requires solutions unique to itself. The System Life Cycle. Birth Development Production Death The Make or Buy Decision Proprietary Software. Applications Development Concepts. Structured System Design Structure Chart Data Flow Diagrams

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Chapter 12

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  1. Chapter 12

  2. Every business situation requiressolutions unique to itself

  3. The System Life Cycle • Birth • Development • Production • Death The Make or Buy Decision Proprietary Software

  4. Applications Development Concepts • Structured System Design • Structure Chart • Data Flow Diagrams • Entity Relationship Diagrams • Flowcharting

  5. The CASE Tool Kit • Design Tools • Information Repository Tools • Program Development Tools • Future of CASE

  6. Prototyping Approaches to Developing Prototype Systems • Nonfunctional Prototypes • Partially Functional Prototypes • Fully Functional Prototypes

  7. Prototyping The Prototyping Process • Phase I - Define Specifications • Phase II - Create Prototype • Phase III - Refine Prototype • Phase IV - Develop Operational System

  8. System Conversion & Implementation • Systems & Acceptance Testing • Approaches to System Conversion • Parallel Conversion • Direct Conversion • Phased Conversion • Pilot Conversion • The System Becomes Operational

  9. Summary Discussion

  10. Coming next: Chapter 13

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