We've all seen and dorm room sex videosused them at home, school, and work. Computer mice are often inexpensive and basic, but some of them boast all kinds of extras and sport hundreds of tiny components inside them. Input devices and mice in general don't make the headlines quite like a new CPU or graphics card do, but there's nothing worse than a badly designed keyboard or mouse.

In this next chapter of the Anatomy of Hardware series, we'll be investigating the innards of a mouse, a keyboard and a gamepad. You can also check out previous articles touching on other computer components.