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With microprocessor and computing technology making considerable advances in the early 1980s, microcomputer manufacturers were obliged to consider the evolution of their product lines to provide increasing capabilities and performance. Attempts to reproduce the same dominance in other sectors, such as in home computing with the BBC Micro and Acorn Electron, and in other markets, such as the United States and West Germany, had been rather less successful. Having introduced the BBC Micro in 1981, Acorn had established itself as a major supplier to primary and secondary education in the United Kingdom.

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This architecture can be broadly characterised as involving the ARM CPU and the first generation chipset consisting of MEMC (MEMory Controller), VIDC (VIDeo and sound Controller) and IOC (Input Output Controller). The name "Acorn Archimedes" is commonly used to describe any of Acorn's contemporary designs based on the same architecture. Responding to claims that the BBC branding was "unethical" and "damaging", a BBC Enterprises representative claimed that, with regard to the BBC's ongoing computer literacy initiatives, bringing in "something totally new would be irresponsible". Dissatisfaction with the branding arrangement was voiced by competitor Research Machines and an industry group led by a Microsoft representative, the British Micro Federation, who advocated the use of "business standard" operating systems such as MS-DOS.

Two of the first models-the A305 and A310-were given the BBC branding, with BBC Enterprises regarding the machines as "a continuing part of the original computer literacy project". Claims of being the fastest micro in the world and running at 18 MIPS were also made during tests.

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The first models were introduced in 1987, and systems in the Archimedes family were sold until the mid-1990s.ĪRM's RISC design, a 32-bit CPU (using 26-bit addressing), running at 8 MHz, was stated as achieving 4.5+ MIPS, which provided a significant upgrade from 8-bit home computers, such as Acorn's previous machines. The systems are based on Acorn's own ARM architecture processors and the proprietary operating systems Arthur and RISC OS. Acorn Archimedes is a family of personal computers designed by Acorn Computers of Cambridge, England.