This chapter introduces systems analysis and design and the systems development lifecycle. It discusses key aspects of the lifecycle including planning, analysis, design, and implementation phases. It also covers various methodologies like structured design, waterfall development, rapid application development, and prototyping. Finally, it outlines common roles on a project team such as business analyst, systems analyst, and project manager.

1. Systems Analysis and Design With UML 2.0 An Object-Oriented Approach, Second Edition Chapter 1: Introduction to Systems Analysis and Design Alan Dennis, Barbara Wixom, and David Tegarden © 2005 John Wiley & Sons, Inc.

3. INTRODUCTION Chapter 1

6. THE SYSTEMS DEVELOPMENT LIFE CYCLE

9. A “Simple” Process for Making Lunch

14. Processes and Deliverables Process Product Planning Analysis Design Implementation Project Plan System Proposal System Specification New System and Maintenance Plan

15. SYSTEM DEVELOPMENT Methodologies

18. Waterfall Development Method

19. Pros and Cons of the Waterfall Method Pros Cons Identifies systems requirements long before programming begins Design must be specified on paper before programming begins Long time between system proposal and delivery of new system

20. Parallel Development

24. How Prototyping Works

25. Throwaway Prototyping

27. Criteria for Selecting a Methodology

28. Project Team Roles and Skills

30. Project Team Roles