Noble International Journal of Scientific Research

Online ISSN: 2521-0246 | Print ISSN: 2523-0573


    Volume 3 Number 6 June 2019


Pages: 62-66
Authors: Shirinbaji Umudova
In the software engineering software development life cycle is a sequence of steps to prepare and develop software. Software maintenance is essential in these stages. After the software is delivered, there are some changes to the software that are required for some reason. These changes may be related with software bug fixes, software upgrade, and so on. The main purpose of software maintenance is to eliminate these problems. The article deals with these issues. In this article software development life cycle models and phases have been investigated and its maintenance phase has been reviewed. Problems that arise during software maintenance have been identified.

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