Computer Display Standard

Standards

• 16:10
• QUXGA-Wide
  Widescreen Quad Ultra XGA: 3840 × 2400, with a 16:10 aspect ratio. Also known as WQUXGA. This resolution generally requires 2 DVI connections between the monitor and graphics card.
• WUXGA
  Widescreen Ultra XGA: 1920 × 1200, with a 16:10 aspect ratio.
• WSXGA+
  Widescreen Super XGA+: 1680 × 1050, with a 16:10 aspect ratio.
• WXGA+
  Widescreen XGA+: 1440 × 900, with a 16:10 aspect ratio. WXGA+ can also refer to 1200 × 854, which is a 3:2 aspect ratio.
• WXGA
  Widescreen XGA: can refer to 1440 × 900 or 1280 × 800, both with a 16:10 aspect ratio, or to 1280 × 768 with a 5:3 aspect ratio.
• 16:9
• 1080i/1080p
  HDTV resolutions that some monitors accept, they are 1920 × 1080 pixels with a 16:9 aspect ratio. The resolutions are used with interlaced (1080i) or progressively-scanned (1080p) video.
• 720i/720p
  HDTV resolutions of 1280 × 720 and aspect ratio 16:9, either interlaced (720i) or progressively-scanned (720p). These resolutions work with many multisync SXGA displays, though the video will appear horizontally squeezed if the vertical range of the scan beam is not changed.
• 4:3 (Displayed aspect ratio. Some standards utilize non-square pixels)
• QUXGA
  Quad Ultra XGA: 3200 × 2400 pixels. This resolution generally requires 2 DVI connections between the monitor and graphics card.
• QXGA
  Quad XGA, quad meaning four, so the display has four times the pixel amount of XGA, with 2048 × 1536 pixels. Also called Super Ultra XGA (SUXGA).
• UXGA
  Ultra XGA, a de facto standard with a resolution of 1600 × 1200 with 32 bit pixels, true colour.
• SXGA+
  Super XGA+, 1400 × 1050.
• SXGA
  Super XGA, a de facto standard with a resolution of 1280 × 1024 with 32 bit pixels, true colour. This is an unusual resolution because the numbers work out for a 5:4 display rather than a 4:3 one, so many images appear wider on SXGA displays than most other resolutions. The resolution probably should have been 1280 × 960 (a popular standard resolution for Unix workstations).
• XGA+
  XGA+, 1152 × 864.
• XGA
  Extended Graphics Array is an IBM display standard introduced in 1990. XGA supports a resolution of 1024×768 pixels with a palette of 256 colours (8 bits per pixel), or 640×480 with high colour (16 bits per pixel). XGA-2 added 1024 × 768 support for high colour and higher refresh rates, improved performance, and supports 1360 × 1024 in 16 colours (4 bits per pixel).
• 8514
  Precursor to XGA and released about the same time as VGA. 8514/A cards had a maximum resolution of 1024 × 768 with 256 colours (8 bits per pixel), interlaced at 43.5 Hz.
• SVGA
  Super VGA, a video display standard created by VESA for IBM PC compatible personal computers. The resolution is 800 × 600 4-bit pixels. Each pixel can therefore be one of 16 colours.
• VGA
  Video Graphics Array is actually a set of different resolutions, but is most commonly used today to refer to 640 × 480 pixel displays with 16 colours (4 bits per pixel) and a 4:3 aspect ratio. Other display modes are also defined as VGA, such as 320 × 200 at 256 colors (8 bits per pixel) and a text mode with 720 × 400 pixels. VGA displays and adapters are generally capable of Mode X graphics.
• MCGA
  Multicolor Graphics Array. Precursor to VGA, MCGA introduced a 256 color (from a 262,144 color palette) mode, and a 640x480 resolution mode. However, whereas VGA had 256k of video memory, MCGA only had 64k, and was limited to black and white at 640x480 and limited to 320x200 for 256 color operation.
• QVGA
  Quarter VGA
• EGA
  Enhanced Graphics Adapter, with a resolution of 640 × 350 pixels of 16 different colours (8 bits per pixel) selectable from a 64-colour palette (10 bits per palette item).
• CGA
  Color Graphics Adapter, developed in 1981, IBM's first color graphics card for IBM PCs. CGA can display 80 × 25 or 40 × 25 text in 16 colours (4 bits per pixel), 640 × 200 pixels graphics in 2 colours (1 bit per pixel) or 320 × 200 in 4 colors (2 bits per pixel) (IBM PC video modes 0-6). The original card came with a composite video output connector, designed for connection with an NTSC capable television/video monitor, which is the origin of the aspect ratio for this resolution.
• Hercules
  a monochrome display with a resolution of 720 × 348, capable of sharp text and graphics. Very popular with the Lotus 1-2-3 spreadsheet, which was the PC's first killer app.
• MDA
  Monochrome Display Adapter, the original standard on IBM PCs and IBM PC XTs. Supports text mode only at 720 × 350 pixels.

See also

• Computer monitor
• Display resolution
• Liquid crystal display
• Plasma display

External links

• Screen size measures

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