The word Pixel is short for picture element, a pixel is made up of phosphor dots these dots are not designated to any single pixel they are designated by the screen.(referenced from web designer’s guide to graphics PNG,GIF&JPEG page 30) pixels hold incredibly detailed information, the purpose of this information is to build up a larger image.
The higher the amount of pixels in a monitor the greater the resolution of the image, this means the image will hold more information and ultimately be much more detailed and clear to view.
Now we move on to the harder stuff, a pixels intensity is how bright a pixel is and this corresponds with the detailing of the information that pixel holds the brighter the pixel the more detail it will hold and the higher the quality of the image.
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