VGA Full Form is Video Graphics Array. This refers to the graphic display system for personal computers. This was developed by IBM. It has become a de facto standard for computers. VGA systems can offer a resolution of 720×400 pixels in text mode. It offers resolutions of 640×480 with 16 colors or 320×200 with 256 colors in graphics mode.
VGA offers a total number of 262,144 palette colors. VGA was first introduced in 1987 and ever since, it has been evolving in colors and resolution. Unlike the earlier graphic standards of CGA, MDA, EGA, etc, VGA utilizes analog signals. However, monitors that are designed for older standards may not utilize VGA.