REQUIREMENTS ENGINEERING
REQUIREMENTS GATHERING AND ANALYSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -Usability requirements define what a system has to do to support users’ task performance. They supplement the overall system design requirements. Usability requirements specify how a system should work from a user’s perspective and should be based on usability goals.
Detailed explanation-2: -On the Web, usability is a necessary condition for survival. If a website is difficult to use, people leave. If the homepage fails to clearly state what a company offers and what users can do on the site, people leave. If users get lost on a website, they leave.
Detailed explanation-3: -An understanding of the five characteristics of usability – effective, efficient, engaging, error tolerant, easy to learn – helps guide the user-centered design tasks to the goal of usable products.