The Enhanced GraphicsAdapter (EGA) is an IBM PCgraphicsadapter and de facto computer display standard from 1984 that superseded the CGA standard introduced
alongside the IBM ColorGraphicsAdapter, and in fact could be installed alongside the CGA in the same computer. A command included with PC DOS permitted
available: the ColorGraphicsAdapter (CGA) and the Monochrome Display And Printer Adapter (MDA). CGA offered low-resolution (320 × 200) colorgraphics and medium-resolution
Tandy GraphicsAdapter (TGA, also Tandy graphics) is a computer display standard for the Tandy 1000 series of IBM PC compatibles, which has compatibility