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Hardcover. Condizione: Good. Condizione sovraccoperta: N/A. 1st Edition. First edition, first impression. x, 316pp, with diagrams and charts etc in text. In laminated printed boards. 8vo. Covers are shelf worn and a little soiled, gently rounded at corners and spine ends. An ex university library copy with the usual markings on spine and front endpapers, a small stamp on the copyright page, else internally neat and clean, if a little less than bright. The Graphical Kernel System (GKS) is a 2D computer graphics system which uses vector graphics. It was used to make line and bar charts and similar tasks. A key concept was cross-system portability, based on an underlying coordinate system that could be represented on almost any hardware, and best known as the graphical basis in the GEM GUI system used on the Atari ST.…