Resolution

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The resolution of a screen states it's measurements in pixels. A resolution is given in two numbers, the first one giving the number of pixels in each line of pixels, the second one giving the numbers of such pixel lines.

Also, for certain display configurations standards were introduced and given names, such as i.e. VGA. They are usually but not always associated with one specific resolution.

Screen Resolutions
resolution short name long name
standard screen resolutions (4:3)
320x240 QVGA Quarter Video Graphics Array (IBM)
640x480 VGA Video Graphics Array (IBM)
800x600 SVGA Super Video Graphics Array
1024x768 XGA eXtended Graphics Adapter
1280x10241 SXGA Super eXtended Graphics Adapter / Array
1400x1050 SXGA+ Super eXtended Graphics Adapter / Array Plus
1600x1200 UXGA Ultra eXtended Graphics Adapter
2048x1536 UXGA Quad eXtended Graphics Adapter
widescreen resolutions
854x4802 WVGA Wide Video Graphics Array
1024x600 WSVGA Wide Super Video Graphics Adapter / Array
1366x7682 WXGA Wide eXtended Graphics Adapter
1440x9003 WXGA+ Wide eXtended Graphics Adapter Plus
1600x9002 WSXGA Wide Super eXtended Graphics Adapter / Array
1600x1024 WSXGA Wide Super eXtended Graphics Adapter / Array
1680x10503 WSXGA+ Wide Super eXtended Graphics Adapter / Array Plus
1920x12003 WUXGA Wide Ultra eXtended Graphics Adapter / Array
3840x24003 WQUXGA Wide Quad Ultra eXtended Graphics Adapter

FOOTNOTES [Δ]
  1. SXGA 1280x1024 is actually 5:4 ratio, not 4:3
  2. 16:9 ratio (or almost), standard for DVD movies
  3. 8:5 or 16:10 ratio, considered standard PC widescreen