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Introduction to Information Systems

Learn about systems development life cycle, software strategies, build vs. buy decision making, human collaboration, and real-world cases to understand the process better.

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Introduction to Information Systems

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  1. Introduction to Information Systems Third Edition Chapter 11 Systems Development and Procurement

  2. Learning Objectives Systems development life cycle Software development strategies Strategy selection Build vs. buy Human element

  3. Facebook and FBI

  4. Systems Development Life Cycle

  5. 1. Planning • Assessing business need • Return on investment • Competitive advantage • Risk management • Feasibility study

  6. 2. Analysis • Process diagrams • Requirements definition • Build or buy?

  7. 3. Design Architectural design Data models

  8. 4. Development • Version control • Project and issue tracking • Code review

  9. 5. Testing

  10. 6. Implementation Parallel Phased Direct

  11. 7. Maintenance Bug fixes and change requests Aging of IS

  12. Software Development Strategies Waterfall Iterative Agile

  13. Agile Scrum eXtreme programming

  14. Comparing Approaches Type of project Organizational culture

  15. Waterfall • Still widely used for many reasons: • Managers are familiar • Developers are adapting • Cultural challenges for agile • Outsourcing fixed-bid contracts

  16. Buy Strategy Advantages and disadvantages RFI and RFP

  17. Evaluating the Options

  18. Adaptation and Customization Adaptation Customization

  19. Human Element Cross-functional teams Senior management Consultants

  20. Summary Systems development life cycle Software development strategies Strategy selection Build vs. buy Human element

  21. Babycenter.com Case Before, 85% of time fixing bugs Scrum discipline Business results

  22. U.S. Strategic Command Case eXtreme programming Pilot project Problems and potential

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