Computer display standard
Various computer display standards or display modes have been used in the history of the personal computer. They are often a combination of resolution (specified as the width and height in pixels), colour depth measured in bits, and refresh rate[?] expressed in Hertz. Until recently, all computer monitors had a 4:3 aspect ratio. Recently, monitors with 16:9 and 16:10 aspect ratios have become available, leading to new widescreen formats.
Current standards
- WUXGA - Widescreen Ultra XGA: 1920 x 1200, with a 16:10 aspect ratio
- UXGA[?] - Ultra XGA. A de facto standard with a resolution of 1600 x 1200 with 32 bit pixels, true colour.
- SXGA[?] - Super XGA. A de facto standard with a resolution of 1280 x 1024 with 32 bit pixels, true colour.
Older standards
- XGA - Extended Graphics Array is an IBM display standard introduced in 1990. XGA supports a resolution of 1024 x 768 pixels with a palette of 256 colours, or 640 x 480 with high colour (16 bits per pixel). XGA-2 added 1024 x 768 support for high colour and higher refresh rates, improved performance, and supports 1360 x 1024 in 16 colours.
- SVGA - Super Video Graphics Array. A video display standard created by VESA for IBM PC compatible personal computers. The resolution is 800 x 600 4-bit pixels. Each pixel can therefore be one of 16 colours.
- VGA - Video Graphics Array, with 640 x 480 pixels in 16 colours and a 4:3 aspect ratio. There is also a text mode with 720 x 400 pixels.
- 8514
- EGA - Enhanced Graphics Adapter, with a resolution of 640 x 350 pixels of 16 different colours selectable via a palette.
- CGA - One of IBM's earliest hardware video display standards for use in IBM PCs. CGA can display 80 x 25 or 40 x 25 text in 16 colours, 640 x 200 pixels graphics in 2 colours or 320 x 200 in 4 colors (IBM PC video modes 0-6).
- Hercules, A monochrome display with resolution of 720 by 348 capable of text and graphics.
- MDA, monochrome display adapter, the original standard on IBM XT[?] PCs. Supports text only at 720 by 350 pixels.
See also:
partially based on FOLDOC
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since resigned, in consequence, it is said, of a difference of opinion
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conduct, bestowed on him not only a large pension, but an estate in
express his regret at his retreat, proclaimed His Excellency a grand
by Bonaparte among the Prussian Ministers and Generals, "his leading-
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LETTER XVI.
PARIS, August, 1805.
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Louis Bonaparte. He told me that he came on the part of Prince Louis,
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and other light troops of the army of England.
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Fouche, Chaptal, and Portalis. The conversation was entirely military,
Britain, and the probable consequence to mankind in general of such a
immediate benefit to France and gradual utility to all other nations; but
organize this valuable conquest, she would be obliged to support another
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