Graphics Card
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A graphics card (also known as a video card) is an expansion card that increases the output to the image display.


a grapchics card allows you to see what is going on in the screen.
The images you see on your monitor are made of tiny dots called pixels. At most common resolution settings, a screen displays over a million pixels, and the computer has to decide what to do with every one in order to create an image. To do this, it needs a translator — something to take binary data from the CPU and turn it into a picture you can see. Unless a computer has graphics capability built into the motherboard, that translation takes place on the graphics card.

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