Zusammenfassung der Ressource
Maintenance
- Happens when system is implemented and evaluated
- Purpose and need
- A system may not do what its purpose is
- Three types of maintenance
- Corrective
- Fixes anything that isn't operating well
- Errors found in the system
- May only come to light by using the system
- Missed by testing
- Perfective
- System running ok
- However there is room for improvement
- A part might not work properly
- Software is altered to improve system
- Adaptive
- Adapt to changing needs
- Parameters change
- Software then altered
- E.g. New hardware becomes available