Phase Maintenance

The last step and the SDLC in which the system at this stage systematically improved and enhanced. Results and this stage is that the new version and the software that has been made. Improvements made can be very varied levels, starting and improving a crash program to function again until the addition of modules that a new program in response to changing user needs.

Step-by-step maintenance system comprising:

1. Use of System. That is using the system in accordance with the functions of their respective duties for the operation or daily routine.
2. Audit System. Namely to use and formal research to determine how well the new system can meet the performance criteria. This sort of thing is called the review after the application and can be performed by an internal auditor.
3. System Maintenance. Ie monitoring for routine checks so that the system is still operating properly. In addition, to maintain recency system at any time if the environment changes or modifications to the design of software systems.
4. Repair System. Ie do repairs if the surgery goes wrong (bugs) in program or design flaws that were not detected when the system testing phase.
5. Improved System. Ie making modifications to the system when there is potential for improvement as the system running for some time, usually the potential for increased system is seen by the manager and then forwarded to the specialist information for managers as desired modifications.