RISCn.

Brit.

/rɪsk/, U.S.

/rɪsk/

Forms: 1900s– RISC, 1900s– Risc, 1900s– risc.

Origin: Formed within English, as an acronym. Etymons: English reduced instruction set computer, reduced instruction set computing.

Etymology: Acronym < the initial letters of reduced instruction set computer (or, in later use, reduced instruction set computing; compare quots. 1980, 1986).

Computing.

A type of computer processor which has a relatively small set of instructions, all of which can be executed quickly (typically in one clock cycle); computing using such a processor. Frequently attributive.

ΘΚΠ

society > computing and information technology > hardware > [noun] > central processing unit > types of processor

microcomputer1956

multiprocessor1961

uniprocessor1963

microchip1969

microprocessor1969

microcontroller1971

micro1978

transputer1978

coprocessor1980

RISC1980

Clipper1993

1980 D. A. Patterson & D. R. 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).

1983 Electronics 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.

1986 Fortune 17 Mar. 8/4 Spectrum is Hewlett-Packard's plunge into reduced instruction set computing, or risc.

1996 Business Week 26 Feb. 12/3 Macintoshes..integrate effectively and reliably on the network and have outstanding performance and RISC platform scalability.

2007 R. H. Landau et al. Computational Physics (ed. 2) xiii. 185 RISC increases the number of internal CPU registers, thus making it possible to obtain longer pipelines (cache) for the data flow.

This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).

单词	risc
释义	RISCn. Brit. /rɪsk/, U.S. /rɪsk/ Forms: 1900s– RISC, 1900s– Risc, 1900s– risc. Origin: Formed within English, as an acronym. Etymons: English reduced instruction set computer, reduced instruction set computing. Etymology: Acronym < the initial letters of reduced instruction set computer (or, in later use, reduced instruction set computing; compare quots. 1980, 1986). Computing. A type of computer processor which has a relatively small set of instructions, all of which can be executed quickly (typically in one clock cycle); computing using such a processor. Frequently attributive. ΘΚΠ society > computing and information technology > hardware > [noun] > central processing unit > types of processor microcomputer1956 multiprocessor1961 uniprocessor1963 microchip1969 microprocessor1969 microcontroller1971 micro1978 transputer1978 coprocessor1980 RISC1980 Clipper1993 1980 D. A. Patterson & D. R. 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). 1983 Electronics 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. 1986 Fortune 17 Mar. 8/4 Spectrum is Hewlett-Packard's plunge into reduced instruction set computing, or risc. 1996 Business Week 26 Feb. 12/3 Macintoshes..integrate effectively and reliably on the network and have outstanding performance and RISC platform scalability. 2007 R. H. Landau et al. Computational Physics (ed. 2) xiii. 185 RISC increases the number of internal CPU registers, thus making it possible to obtain longer pipelines (cache) for the data flow. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < n.1980
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