Pixel

A pixel is a picture component. Pixels can have 256 colors or shades of red, green, and/or blue. Here is a list of pixel combinations for common colors on RGB scale:

Red: 255R, 0G, 0B

Orange: 255R, 128G, 0B

Yellow: 255R, 255G, 0B

Green: 0R, 255G, 0B

Blue: 0R, 0G, 255B

A pixel is the smallest addressable unit of an image, just like how a byte is the smallest addressable image unit. A pixel is usually a square, but is not *always* one. Pixels are found on every modern digital device such as the iPod, iPhone, laptop, netbook, phone, and tablet.