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A family of microcomputers produced by AcornComputers, Cambridge, UK. The Archimedes, launched in June1987, was the first RISC based personal computer(predating Apple Computer's Power Mac by some sevenyears). It uses the Advanced RISC Machine (ARM) processorand includes Acorn's multitasking operating system andgraphical user interface, RISC OS on ROM, along with aninterpreter for Acorn's enhanced BASIC, BASIC V.The Archimedes was designed as the successor to Acorn'ssucessful BBC Microcomputer series and includes somebackward compatibility and a 6502 emulator. Severalutilities are included free on disk (later in ROM) such as atext editor, paint and draw programs. Software emulatorsare also available for the IBM PC as well as add-on Intelprocessor cards.There have been several series of Archimedes: A300, A400,A3000, A5000, A4000 and RISC PC.Usenet FAQ(ftp://rtfm.mit.edu/pub/usenet/news.answers/acorn/).Archive site list(http://cs.vu.nl/~gerben/acorn/acorn-archives.txt).HENSA archive (ftp://micros.hensa.ac.uk/). Stuttgartarchive (ftp://ftp.uni-stuttgart.de/pub/systems/acorn).See also Crisis Software, Warm Silence Software.