IBM has made several models of minicomputers over the years: the System 34, System 36, System 38[?], and finally AS/400 (recently rechristened the iSeries[?]). They have also made some more minor models (details?). (Mention the failed project before release of AS/400?).
... DRM system is the Content Scrambling System (CSS) employed by the DVD Consortium[?] on movie DVD disks. The data on the DVD is encrypted so that it can only be decoded and ...