Each pixel of a screen image is displayed using a combination of three different colour signals: red, green and blue. The precise appearance of each pixel is controlled by the intensity of these three beams of light and the amount of … [Read more...]
Graphic Card Resolution
Resolution is a term often used interchangeably with addressability, but it more properly refers to the sharpness, or detail, of the visual image. It is primarily a function of the monitor and is determined by the beam … [Read more...]
How Do Computers Make Pictures?
Sure computer graphics have come a long way, but the question is: how?? Or, what's a pixel? What's a bitmap (or a raster)? How, in fact, does a computer make a picture when all it has to play with are zeros and ones?! Well, with great difficulty. Modern graphics cards are phenomenal in what they … [Read more...]