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In the earlier days of computers, the available monitors were either monochrome or two-color. This helped in the invention of IBM’s Color Graphics Adapter (CGA) in the year 1981 which provided a 4-bit palette of 8 colors and a maximum resolution of 640 x 280. Then, in 1984, an upgraded video card named as Enhanced Graphics Adapter (EGA) was developed in which the color palette was double having 16 colors and a resolution of 640 x 350. In 1987, IBM introduced Video Graphics Adapter (VGA) which led to the long lasting tradition.
Every modem graphics adapter card has the capability of displaying the VGA mode. This can happen only if the required device driver is not located or present, if it has been disabled purposely or if the operating system is not able to find a better driver. In the Windows operating systems, VGA can be displayed while booting the system in Safe mode.
VGA was replaced with Extended Graphics Adapter (XGA) in 1990 by IBM. But, during this time, the Video Electronics Standard Association (VESA) had released a similar device known as Super VGA (SVGA). Similarly, Super XGA (SXGA), Ultra XGA (UXGA) and Quad XGA (QXGA) were invented then onwards.
The display standards began to be developed faster from this point. The widescreen feature was developed with “W” in front of the display acronym like WXGA. So, the computer monitors started to be built with high resolution just like the video cards. Make sure that the highest standards of each device are compatible while you purchase VGA.
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