7 importance of software engineering

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Please help improve the article by merging similar sections and removing unneeded subheaders. Software versioning is the process of assigning either unique version names or unique version numbers to unique states of computer software. A variety of version numbering schemes have been created to keep track of different versions of a piece of software. The ubiquity of computers has also led to these schemes being used in contexts outside computing. In sequence-based software versioning schemes, each software release is assigned a unique identifier that consists of one or more sequences of numbers or letters.

In some schemes, sequence-based identifiers are used to convey the significance of changes between releases. Changes are classified by significance level, and the decision of which sequence to change between releases is based on the significance of the changes from the previous release, whereby the first sequence is changed for the most significant changes, and changes to sequences after the first represent changes of decreasing significance. In this scheme, risk and functionality are the measures of significance. 5, or Adobe Photoshop 5 to 5. A different approach is to use the major and minor numbers, along with an alphanumeric string denoting the release type, e.