Exercise 4

What components are relevant to making a phone call?
The device itself, handset and buttons.
What are the interactions of those components with the caller when making a phone call?
Caller picks up handset, presses buttons and speaks / listens to the phone.
What goal is implied by these specific questions & are there other goals?
How the user interacts with the phone (usability?)
What are the functional components?
the buttons, handset and screen
What components are relevant to making a phone call?
the buttons and handset
What are the interactions of those components with the caller when making a phone call?
user presses the buttons to dial desired number and uses handset to communicate
What would you test (in frame of previous q's)?
Usability - how different users use the phone in different situations such as in a rush or emergency
How would you test that?
Put the user under time constraint to dial a number



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