3.5. Getting an A+
In this chapter, you find out about the two major types of output devices found on systems today: the video card and the sound card. The following summarizes some key points about video and sound cards:
The video card converts digital data from the computer into analog data that is used by the monitor to create the display.
VGA supports 16 colors at a resolution of 640 × 480.
Super VGA supports 16 million colors at a resolution of 1280 × 1024.
AGP cards are the popular form for video cards today, and sound cards are implemented as PCI cards.
CRT monitors use an electron gun to stimulate the phosphor-covered screen and make it glow.
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