usefulness Comparison Table

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usefulness comparison table

Subject has definition be see also has part

usability An important quality of software that measures the extent to which a product or process is learnable, enables users to be productive and avoid errors, and also subjectively satisfies them (in contrast to utility^2) important learnability

utility^2 The extent to which, independent of usability, a product or process provides capabilities needed to solve a customer's problem essential utility

Subject	has definition	be	see also	has part
usability	An important quality of software that measures the extent to which a product or process is learnable, enables users to be productive and avoid errors, and also subjectively satisfies them (in contrast to utility^2)	important		learnability
utility^2	The extent to which, independent of usability, a product or process provides capabilities needed to solve a customer's problem	essential	utility

Next external software quality: efficiency Up: external software quality, measurement Previous external software quality: reusability