💻 Chapter 1 · Computer Systems
Question
Name the five key components of usability in HCI and state what each measures.
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Answer
Learnability — how easily new users do basic tasks the first time. Efficiency — how quickly users work once they have learned the system. Memorability — how easily users remember the system after time away. Error handling — how well the system prevents, guides and recovers from mistakes. Satisfaction — the user's overall positive experience.
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