| 释义 |
Risc, n. Computing.|rɪsk|
Also RISC, risc.
[Acronym f. the initial letters of reduced instruction set computer (or, in later use, computing).]
A type of microprocessor designed to be capable of a limited set of operations, which consequently has relatively simple circuitry and performs basic computing tasks quickly; microprocessing in such an environment. Chiefly attrib.
1980Patterson & Ditzel in Computer Archit. News 15 Oct. 25 We shall examine the case for a Reduced Instruction Set Computer (RISC) being as cost-effective as a Complex Instruction Set Computer (CISC). 1983Electronics 11 Aug. 149/1 The first commercial computer designed with the high-performance reduced-instruction-set-computer RISC architecture that can outspeed conventional computers by as much as 2:1 has been introduced by Pyramid Technology Corp. 1986Fortune 17 Mar. 8/4 Spectrum is Hewlett-Packard's plunge into reduced instruction set computing, or risc. 1986Practical Computing Oct. 92/1 The Risc chip has 32-bit architecture with a 32-bit external data bus and a 26-bit address bus which gives a 64 Mbyte uniform address space. 1988Computer Weekly 19 May 13/1 The revolt..comes in direct response to AT&T's own efforts to unify Unix around Sun's new Sparc Risc (reduced instruction set) chip design. |