As shown in the accompanying figure, ____ when it becomes clear that the company plans to replace the system.
adaptive and corrective maintenance expenses increase rapidly, but perfective maintenance typically decreases
As shown in the accompanying figure, once a system becomes stable, maintenance costs usually remain low and involve minor ____ maintenance.
If significant changes take place in an existing system or if a new version is released, the IT department might develop a ____.
As shown in the accompanying figure, maintenance expenses usually are high when a system is implemented because problems must be detected, investigated, and resolved by ____ maintenance.
In a typical system, the initial version of the system is 1.0, and the release that includes the first set of maintenance changes is version ____.
In most organizations, ____ IT department effort goes into supporting existing systems and making them more valuable to users.
When setting priorities, many IT managers believe that evaluating all projects together leads to the best possible decisions because ____.
____ activities include changing programs, procedures, or documentation to ensure correct system performance; adapting the system to changing requirements; and making the system operate more efficiently.
____ expenses vary significantly during a system”s operational life and include spending to support maintenance activities.