Usability can be measured in terms of_________________?
Correct answer: D. All of the mentioned
- A. Intellectual skill to learn the system
- B. Time required to become moderately efficient in system usage
- C. Net increase in productivity
- D. All of the mentioned
Explanation
Usability includes learnability, the time needed to achieve reasonable proficiency, and the productivity gained while using the system. These dimensions together justify the ‘all’ option.
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