Across
- 1. HAS 2 BUTTONS
- 3. RESEMBLES A PENCIL ERASER
- 4. CAN CONNECT WITHOUT CABLES
- 5. CAN USE ON A TABLET PC
- 7. HAS BALL WHICH ROTATES ORTHOGONAL SHAFTS WHICH DRIVE CHOPPER WHEELS FOR DISTANT MEASUREMENT ALONG EACH AXIS
- 8. USED IN NOTEBOOKS AND NETBOOKS
- 9. IS OLD AND HAS A MOVING BALL AT THE BOTTOM
Down
- 1. CONNECTS USING USB PORTS
- 2. USES A LIGHT EMITTING DIODE AND PHOTODIODE TO DETECT MOVEMENT RELATIVE TO A SURFACE
- 4. HAS A WHEEL THAT YOU CAN ROTATE
- 6. HAS A BALL THAT YOU HAVE TO MOVE WITH YOUR FINGERS AND PALM