Lab 13 - User Interfaces

Questions

1. How many states are there for a light switch?
2. For a ceiling fan which interface is better - a separate power switch and a regulator OR the power switch integrated with the regulator. (Note - the regulator controls the speed of the fan).
3. How many states are there for a fan regulator with 5 speeds? How many state transitions are possible?
4. How does the fan regulator give feedback to the user?
5. How does the fan regulator give feedback that the state has changed?
6. Is the remote control for a TV its user interface? Dicsuss.
7. What are advantages of integrating the power on button with the startup button on computers/laptops?
8. Is the user interface of a computer its operating system? Explain.
9. Is the user interface of your mobile phone its operating system? Explain.