The first computer mouse was invented by Doug Engelbart in around 1964 and was made of wood.
Quiz: How well do you know your computer memory facts?
[wpsqt_quiz name="Computer Memory"]
Fun Fact: Where did the computer mouse get its name?
Answer:
The name mouse, originated at the Stanford Research Institute, derives from the resemblance of early models (which had a cord attached to the rear part of the device, suggesting the idea of a tail) to the common mouse.
Source: http://www.arcamax.com/knowledge/trivia/s-342345-146433