Inside the Commodore 64

This pioneering PC made instant geeks out of millions of people back in the '80s. But what lies within the Commodore 64's fetching brown shell?

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How the Keys Work


Now let's take a look inside the keyboard. Beneath each key cap is a plastic plunger (the black pieces above), each of which has a small conductive rubber pad at its base. When the user pushes down on the key, the pad completes a circuit between a pair of copper contacts on the underlying circuit board (shown on the right). When the key is released, a spring pushes the key back up.

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Inside the Commodore 64

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