input devices

Question 1

Pointing Devices – Controller Types

Answer 1

• Isotonic controllers
• free moving
• sensing displacement
  mouse
• Isomorphic controllers
• non-moving
• sensing force
  keyboard
• Elastic controllers:
• increasing resistance
• can sense displacement and/or force
  game controller

Question 2

Pointing devices – lots of trade-offs

Answer 2

• Touchscreens are fastest but least accurate
• Mouse consistently found to be best for both speed and accuracy