Why on the list: arm is the main designer of RISC (reduced instruction set computing) chips used in such battery-powered information appliances as handlheld PCs and mobile phones.

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Joel Birnbaum was the head of HP Labs at the time and he knew that RISC (Reduced Instruction Set Computing)architecture was the future and not CISC (Complex Instruction Set Computing).

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It is comprised of smaller revenue generating product lines such as digital light processing (DLP) projectors and reduced-instruction set computing (RISC) microprocessors.

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