Pixels (C/N)

Pixels are the basic unit of composition of an image on a digital screen. It is the smallest controllable element of a picture represented on a screen. Pixels are combined to make up a much larger picture. Each pixel is a sample of a original image; more samples typically provide more accurate representations of the original.

Pixels are normally arranged in a regular two-dimensional gird, and made up of the colors red, green, and blue, or cyan, magenta, yellow, and black. The number of colors depends on the number of bits per pixel (bpp). A 1 bpp image uses 1-bit for each pixel, so each pixel can be either on or off. Each additional bit doubles the number of colors available, so a 2 bpp image can have 4 colors and a 3 bpp image can have 8 colors

1bpp = 2 colors, 2 bpp = 4 colors, 3 bpp= 8 colors

8 bpp = 256 colors, 16 bpp = 65,536 colors, 24 bpp = 16.8 million colors