|Reference||/VM 1997/ V-Model 97, Lifecycle Process Model.|
(Source: in accordance with /ISO 9126, 1991/)
Characteristics of a functional unit which can be used to describe and evaluate its quality, but which do not indicate the degree of markedness. A quality characteristic may be refined in sub-characteristics by several levels.
Quality characteristics are functionality, reliability, usability, efficiency, maintainability and portability.
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