Glossary of Acronyms

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XGA - Extended Graphics Array. A type of PC video display circuit (and adapter) first introduced by IBM on October 30, 1990, that supports text and graphics. Text is supported at a maximum resolution of 132x6O characters in 16 colors with a character box of 8x6 pixels. Graphics is supported at a maximum resolution of 1024x768 pixels in 256 (from a palette of 262,144) colors or 64Ox480 pixels in 65,536 colors. The XGA outputs an analog signal with a horizontal scanning frequency of 31.5 or 35.52KHz and supports analog color or analog monochrome displays.

XNM - Extended Memory Manager. A driver that controls access to extended memory on 286 and higher processor systems. HIMEM.SYS is an example of an XMM that comes with DOS.

XMS - Extended Memory Specification. A Microsoft-developed standard that provides a way for real mode applications to access extended memory in a controlled fashion. The XMS standard is available from Microsoft.

XT - Extended Technology. The second generation of IBM personal computers. The XT contained the 8086 CPU, introduced the hard drive, and had slots for eight 8 bit cards.

XVGA - Extended Video Graphics Array. A VGA standard with higher resolution than SVGA. The screen is almost photographic.

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Compiled by Scott McArdle, MagnaCom Limited. I hope this list has helped you and if there is an item that should be on this list, please let me know. Thanks. PS, I've spent 100's of hours maintaining this list, please don't be a LAMER.