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Digigraphics : ウィキペディア英語版 | Digigraphics Digigraphics was one of the first graphical computer aided design systems to go on sale. Originally developed at Itek on the PDP-1 as EDM (''Electronic Drafting Machine''), the efforts were purchased by Control Data Corporation and ported to their machines, along with a new graphics terminal to support it. Systems cost almost $500,000 and supported only a few users at a time, so in spite of a number of advantages it was not cost competitive with traditional manual methods and only a few systems were sold. ==History==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Digigraphics」の詳細全文を読む
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