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2 Happy Trails to You
Howdy, Pardner. What do cowboys and computers have in common? The same thing that lets the computer respond when you move the joystick is what lets the movie cowboy always hit the can on the fencepost. Circuits! Now, please don't take the back off a computer and look at all the tiny, tiny circuits on all the circuit boards inside. Somebody might get a little upset if you didn't put it back together just right. Instead, you can make your own special effect using a simple circuit.

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