TK-90X

Domain	Definition
Computing	TK-90X A Brazilian clone, manufactured by Micro Digital, of the British Sinclair Research ZX Spectrum 8-bit microcomputer. It differed from the standard Spectrum by adding an Interface 2-compatible joystick interface, and extra BASIC commands to aid programming and graphics-editing. Because of these differences, it was slightly incompatible with the standard Spectrum. A later model, the TK-95, which boasted an improved keyboard (similar to the Commodore 64's) and a more compatible ROM, was little more than a Timex TC2048 (another Spectrum clone) in disguise. comp.sys.sinclair FAQ (http://www.kendalls.demon.co.uk/cssfaq/). ["comp.sys.sinclair FAQ", D Burke M Fayzullin P Kendall et al, pub. Philip Kendall 1998] (1998-11-09). Source: The Free On-line Dictionary of Computing.
Source: compiled by the editor from various references; see credits.