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Glossary > Photography >Pixels
Pixels
Contraction of picture element. The smallest element that display software can use to create text or graphics. A display resolution described as being 640x480 has 640 pixels across the screen and 480 down the screen, for a total of 307,200 pixels. The higher the number or pixels, the higher the screen resolution. A monochrome pixel can ahve two values, black or white, and this can be represented by one bit as either zero or one. At the other end of the scale, true color capable fo displaying approximately 16.7 million colors, requires 24 bits of information for each pixel.
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