“Usability is the extent to which a product can be
used by specified users to achieve specified
goals with effectiveness, efficiency and
satisfaction in a specified context of use.”
Human Computer Interaction:
Usability and Usability Engineering
Course Facilitator:
Roshan Tandukar
,Usability
What is Usability?
Ease of learning
Ease of use
Ease of remembering
Subjective satisfaction
Efficiency of use
Effectiveness of use
, Usability
“Usability is the extent to which a product can be
used by specified users to achieve specified
goals with effectiveness, efficiency and
satisfaction in a specified context of use.”
3
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