What is system maintenance? What are its different types

S The results obtained from the evaluation process help the organization to determine whether its information systems are effective and efficient or otherwise. The process of monitoring, evaluating, and modifying of existing information systems to make required or desirable improvements may be termed as System Maintenance. Read more at Computer Notes.

System maintenance is an ongoing activity, which covers a wide variety of activities, including removing program and design errors, updating documentation and test data and updating user support. Systems maintenance For the purpose of convenience, maintenance may be categorized into three classes, namely:

Corrective Maintenance

Adaptive Maintenance

Perfective Maintenance

Adaptive Maintenance:

In adaptive maintenance, program functions are changed to enable the information system to satisfy the information needs of the user. This type of maintenance may become necessary because of organizational changes which may include:

What are the examples of system maintenance?
Conventional types of maintenance serve to keep systems valuable and running effectively. Such include robust activities, among them the removal of faulty codes, handling design errors, documentation of updates, data testing, and improvement of user support.