A QUICK SIDE TRIP TO LOOK AT PIXELS Pixels are tiny lamps on your PC monitor A single pixel is smaller than the head of a pin Each pixel is attached to a light switch in the circuitry of your PC's motherboard Illuminating sets of pixels, just like our wall of light switches, reveals patterns that we easily recognize In the early days of computing, pixels were much larger, and that's why everything looked like it was drawn with little boxes – Like this… and this!
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