If significant changes take place in an existing system or if a new version is released, the IT department might develop a user training package.
Software maintenance is now a commonly accepted component of the SDLC. It refers to all updates and modifications made after a software product is delivered. Modifications are necessary for a variety of reasons, some of which are briefly listed below:
- Market Conditions - Policies that evolve over time, such as taxation and recently added restrictions like how to maintain bookkeeping, may necessitate modification.
- Client Requirements - Over time, clients may request new features or capabilities for the software.
- Host Changes - In order to maintain adaptability, software changes are required if the target host's hardware and/or platform (such as its operating system) changes in any way.
- Organizational Changes: The original software may need to be modified if there is any business-level change at the client end, such as a reduction in organization strength, the acquisition of another company, or the organization's entry into a new industry.
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