What the heck is a Pixel?

Pixel is short for picture element. Basically it is a dot (actually a tiny square) on the computer screen. The dots are arranged in rows and columns and are so close together they appear to be connected. The dot can be a shade of gray or a color. A typical 1280 x 720 image has 921,600 pixels. The more dots that make up an image the better the resolution. A megapixel is simply one million pixels.

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