Calcomp Calcomp plotter IBM 1627 Billings Computer Aldo Giorgini The Universe According to Virgil Reality USNS Wyman Plotter Bresenham's line algorithm Intel740 ND812 Utah teapot Vector General List of defunct hard disk manufacturers Colossal Cave Adventure EInstruction Terak Corporation Turning Technologies Librex Computer Systems Royal Australian Survey Corps RT-11 Algorithmic art Printer (computing) Amiga support and maintenance software IBM 1130 SCORE (software) History of hard disk drives Word (computer architecture) History of IBM