Zusammenfassung der Ressource
Maintenance
- Corrective
- Previously undetected bugs
revealed during the use of the
system
- These bugs may have not
revealed during testing
- Must be corrected for the
software to work correctly
- fixes anything that is not
functioning as it should be
- Perfective
- System runs to a decent
degree, however could be
improved
- Allows for you to
improve performance
- Example
- Extra reports
- Faster queries
- These changes do not
affect the systems
functionality
- Adaptive
- Systems will need to
adapt to changing needs
within an organisation
- Particular parts of the
system could outdated
and need to be updated
- Better hardware could be
available
- government legislation
requires changes
- Example
- Company begins expanding
- Needs to update a standalone
system to a multi-user system