- IS methodology is a collection of:
- Procedures
- Techniques
- Tools
- Documentation aids
- It aids systems developers in implementing a new information system by providing:
- Phases and sub-phases to guide the choice of techniques at each stage.
- Assistance in planning, managing, controlling, and evaluating information systems projects.
- A methodology represents a systematic way to develop information systems.
- It should have a sound theoretical basis.
- Methodology used in information system is Systems Development Life Cycle (SDLC)
Reasons to Adopt a Methodology
- Accountability of the developed system
- A better end product due to:
- Acceptability
- Availability
- Cohesiveness
- Compatibility
- Better documentation
- Ease of learning
- Effectiveness
- Efficiency
- Fast development rate
- A better development process through a standardized process.