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Understanding PC Video

The images you see on a computer monitor are generated inside your computer, via a specialized video card (sometimes called a video adapter or graphics adapter). This card generates video images at a specified resolution, which is a measurement of how detailed your picture is. (The higher the resolution, the sharper the picture—and the more items you can fit onscreen.) These video images then are displayed on your monitor. The resolution of the card must match the resolution of the monitor, or you get gibberish onscreen.

Monitor Options

Most users upgrade their monitors to get a bigger display. The move from a 14-inch monitor to a 17-inch monitor is literally eye-opening—whether you're working with numbers in a spreadsheet or shooting alien mutants in a PC game.


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