1, The full form of UXGA is Ultra Extended Graphics Array

Ultra Extended Graphics Array (UXGA) is a display specification with a resolution of 1600*1200 pixels

Ultra eXtended Graphics Array, or UXGA, is a computer display standard that defines a resolution of 1600×1200 pixels, which also four times the screen resolution of SVGA of 800×600. It is an advancement on the Super eXtended Graphics Array Plus (SXGA+) standard, which offers a resolution of 1400×1050 pixels. There are, however, other resolutions that exist in between both.

UXGA is common among 21″ LCD and CRT displays and also of some 15-inch laptop monitors. It’s widescreen varient is WUXGA.