1. ITEC 370 Lecture 4 Requirements

2. Review Teams –What did you learn? –What roles are there? –What are the biggest challenges right now for your team?

3. Requirements Objectives Teams finalized by Wed. –½ page to a page rough draft of your idea –Name / logo (if possible) for your team Requirements –What are they –Why they are important

4. Requirements Definition = Something wanted or something needed (m-w.com) Functional –The system must do X Non-functional –The system must do X by the time I get my coffee Easy to say, maybe not easy to accomplish Mapping to design, testing

5. Requirements Stages Requirements Design Implementation Testing Maintenance What is the purpose of requirements at each stage of the process?

6. Requirements

7. Types Design requirement –Physical or code wise Functional requirement –What does it do? Implementation requirement –Thou shalt use quicksort Interface requirement –I want it to look like… Performance requirement –It must perform like… Physical requirement –I have to lift servers everyday so… Straight from the book

8. Requirements Stages How would you gather requirements for a system? Books recommended stages: –Inception, Elicitation, Elaboration, Negotiation, Specification, Validation, and Management

9. Requirements Inception Where does the process begin… Who should you talk to? What are some of the problems when you talk to…

10. Requirements Stakeholder s Different classes of users –Administrator –Manager –Power user –Regular user –Tourist

11. Requirements Stakeholder s

12. Requirements Review Introduction to requirements –Types –Steps of the process