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RISC processor

From: The Columbia Encyclopedia, Sixth Edition  |  Date: 2008

RISC processor [ R educed I nstruction S et C omputer], computer arithmetic-logic unit that uses a minimal instruction set, emphasizing the instructions used most often and optimizing them for the fastest possible execution. Software for RISC processors must handle more operations than traditional CISC [ C omplex I nstruction S et C omputer] processors, but RISC processors have advantages in applications that benefit from faster instruction execution, such as engineering and graphics workstations and parallel-processing systems. They are also less costly to design, test, and manufacture. In the mid-1990s RISC processors began to be used in personal computers instead of the CISC processors that had been used since the introduction of the microprocessor .

Bibliography: See D. Tabak, RISC Systems (1990); M. Slater, A Guide to RISC Microprocessors (1992).



Author not available, RISC PROCESSOR., The Columbia Encyclopedia, Sixth Edition 2008

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