L03-Software quality factors.pptx

To correct the failures and to verify the s uccess of

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to correct the failures , and to verify the s uccess of the corrections . This factor’s requirements refer to the modular structure of software, the internal program docu mentation, and the programmer’s manual, amon g other items.
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Flexibility The capabilities and efforts required to support adaptive maintenance activities are covered by the flexibility requirements. These inc lude the resources (i.e. in man-days) required to adapt a software package to a variety of custome rs of the same trade, of various extents of activiti es, of different ranges of products and so on. This factor’s requirements also support perfective maintenance activities.
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Testability Testability requirements deal with the testing of an information system as well as with its operation . Testability requirements for the ease of testing are related to special features in the p rograms that help the tester, for instance by pro viding predefined intermediate results and log fi les. Automatic diagnostics to find out whether all components of the software system are in working o rder and to obtain a report about the detected faults Automatic diagnostic checks applied by the maintenance technicians to detect the causes of sof tware failures
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Classifications of software requirements into software qu ality factors McCall’s factor model Product transition factors : Portability, Reusability, Interoperability.
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Portability Portability requirements tend to the adaptation of a software system to other e nvironments consisting of different hardw are, different operating systems.
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Reusability Reusability requirements deal with the use of software modules originally designed for one project in a new software project c urrently being developed.
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