Video Card

Your video card performs the function of displaying the screen you see on the monitor. Inside the video card is a special kind of memory called video memory, where information is stored that represents what you see on the screen. If you look closely at the screen you can see that it is made up of many dots, or pixels. Each pixel's color and brightness is stored in the video memory. When the computer wants to display something, it calculates how it needs to change the color and brightness of the different pixels, and changes the values in the video memory. The video card then presents the new pixels...

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