Light pens ICT
- Created by: fantasticwonderkitty15
- Created on: 27-06-21 05:09
View mindmap
- Light pens
- how it works?
- step 1: Picks up light from comuter screen
- step 2: Signals light where it was picked up from
- Why is this still used?
- Accuracy is higher than a touchscreen
- Compartively, cheaper than a graphic tablet
- Advantages
- can easily replace a mose or other pointing devices
- High portability
- cost-effective
- Drawbacks
- Can oly be used with CRT monitors
- It is uncomfortable because hand always needs to be raised
- Even though accuracy is higher than a touchscreen it s not as great as compared to a graphics tablet
- how it works?
Comments
No comments have yet been made