A video display adapter must be attached to the computer to display graphics. It is also called video graphics card It is a circuit board that determines the following things Screen Resolution The number of bits used to store color information about each pixel called bit depth The total number of colors that can be used to display images Speed with which images appear on the display screen.
Different types of video display adapters are as follows:
1VGA:
VGA stands for Video Graphics Array. It supports 16 to 256 colors depending on ii. Gas This screen resolution It supports 16 colors at 320-200 pixels. It supports 256 colors at 640k840 pixels. It is called 4-bit color.
2. SVGA:
SVGA stands for Super Video Graphics Array. It supports 256 colors at higher resolution then VGA It has two graphics modes. These are 800x600 pixels and 1024x768 pixels. It is called 8-bit color. SVGA is the most common standard used today. It is used primarily with 15-inch monitors.
XGA stands for Extended Graphics Array It supports up to 16.7 million colors at a resolution of 1024 768 pixels. It is called 24-bit color or true color. It is used with 17 and 19 inch monitors.
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