Chapter 2 Models Presentation.pptx

models

1. Chapter 2: The Nature and Purpose of Models UML Reference Manual Abdirahman Mohamed Dirie Mogadishu University

2. Introduction to Models

3. Definition of a Model

4. Models in Software Engineering

5. Purposes of Models

6. Stakeholders in Modeling

7. Models for Design Thinking Allow visualization and experimentation Low-cost way to test ideas before coding Encourage creative exploration Help refine architecture before detailed design

8. Models and Design Decisions Separate requirements from design solutions External models describe behavior and domain knowledge Internal models describe implementation classes Final design model reflects designer’s chosen solution

9. Models as Work Products

10. Models for Organizing Information

11. Exploring Multiple Solutions

12. Models and Complexity Management

13. Levels of Models

14. High-Level Thinking Models

15. Analysis Models

16. Design Models

17. Implementation Models

18. Ideal vs. Partial Models Ideal models: theoretical, complete representations Partial models: selective, emphasize key aspects Tool-based models: practical, evolving constructs Choice depends on project needs

19. Models and Tools

20. Economic Value of Modeling Saves cost by avoiding flawed designs Reduces implementation risks Supports incremental refinement Provides long-term documentation and reuse

21. Conclusion of Chapter 2