Quiz

1. Which keypad layout (A/B/C/D) took least time for dialing a number? Why?

2. Which keypad layout (A/B/C/D) took maximum time for dialing a number? Why?

3. Which keypad layout is more prone to errors?

4. By how much will the time to dial increase/decrease if the size of buttons is doubled in the layout?

5. Will the time to dial increase/decrease if the font-size of label on the buttons is increased?

6. Use laptop touchpad to interact instead of mouse and compare the results?