What is perfective maintenance?
What is perfective maintenance?
Perfective maintenance is [s]oftware maintenance performed to improve the performance, maintainability, or other attributes of a computer program. the modification of a software product after delivery to detect and correct latent faults in the software product before they are manifested as failures.
What is perfective maintenance used for?
Perfective software maintenance addresses the functionality and usability of the software. Perfective maintenance involves changing existing product functionality by refining, deleting, or adding new features. As well as changing the way a product works, perfective changes might also change the way it looks.
What is adaptive maintenance example?
Adaptive maintenance is the modification of software to keep it usable after a change to its operating environment. Many factors can change an application’s environment, including new technical knowledge, hardware and security threats.
What is adaptive maintenance in computer?
Adaptive maintenance is the modification of a software product, performed after delivery, to keep a software product usable in a changed or changing environment.
What are the 4 types of system maintenance?
Types: There are four types of systems maintenance: corrective, adaptive, perfective, and preventive. (ea.
Which is the best definition of perfective maintenance?
4. Perfective maintenance The system has been in place and running fine for a while. However, over time, the end user will often find tweaks or minor improvements which could be made to improve the way the system works.
When do you perform corrective maintenance on a software system?
At exactly midnight on January 1st, 2000, any software maker who did not invest in the adaptive maintenance work to fix the Y2K flow was now dealing with a corrective maintenance emergency. You perform perfective maintenance when you change a software system because you decide to improve its value by improving something that is already working.
What’s the difference between adaptive and corrective maintenance?
Corrective maintenance is concerned with fixing errors that are observed when the software is in use. Adaptive maintenance is concerned with the change in the software that takes place to make the software adaptable to new environment such as to run the software on a new operating system.
Which is an example of a corrective maintenance action?
A corrective maintenance action is a software change that you make because: the problem is actively affecting users, or you suspect that it is. For example, if you release a software system and your users ran into a bug, a corrective maintenance action is required to fix it.
