This is understanding and specifying in detail exactly what an Information System should do.
- A detailed study of how the current system functions should be carried out first.
- Followed by an assessment of what the users would like to see in the new system.
This can be a very difficult aspect of the Information Systems development.
Major causes of Project failure:
- Poor user input.
- Incomplete requirements.
- Changing requirements.
- Complex problems.
- Unknown domains.
- Non-technical customers.
- Traditional methods
- Study business documents
2. Modern methods.
- Joint application design
- Group decision support systems
3. Radical methods
- Business process reengineering