During the ____ phase, the information system is operating, enhancements and modifications to the system have been developed and tested, and hardware and software components have been added or replaced.
The word maintenance is part of the SDLC life cycle, it is a 7-phase program, in which the maintenance is a process that uses when the system is operational once.
It is the last stage, that makes changes to the system developed and tested as well as modified or removed hardware and software components.
