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Enhanced Graphics Adapter
The Enhanced Graphics Adapter (EGA) is an IBM PC computer display standard specification which is between CGA and VGA in terms of color and space resolution.
== History ==
EGA was introduced in October 1984 by IBM,〔High-Resolution Standard Is Latest Step in DOS Graphics Evolution, ''InfoWorld'', June 26, 1989, p. 48〕〔News Briefs, Big Blue Turns Colors, ''InfoWorld'', Oct 8, 1984〕 shortly after (but not exclusively for) its new PC/AT.
The EGA standard was made obsolete by the introduction in 1987 of MCGA with the PS/2 computer line〔Scott Mueller, ''Upgrading and Repairing PCs, Tenth Edition'', Que,1998, 0-7897-1636-4 page 515〕 and VGA.
Shortly before the introduction of VGA, Genoa Systems introduced a half-size graphics card built around a proprietary chip set, which they called ''Super EGA'' (later cards supporting an extended version of the VGA were similarly named Super VGA).〔Hardware, Genoa Systems Ready to Ship $449 Half-Size Graphics Card, ''InfoWorld'', February 23, 1987〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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