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单词 risc
释义

RISC


RISC

(rɪsk) n acronym for (Computer Science) reduced instruction set computer: a computer in which the set of instructions which it can perform has been reduced to the minimum, resulting in very fast data processing

RISC

(rɪsk)
n. reduced instruction set computer: a computer whose central processing unit recognizes a relatively small number of instructions, which it can execute very rapidly. Compare cisc
Thesaurus
Noun1.RISC - (computer science) a kind of computer architecture that has a relatively small set of computer instructions that it can performreduced instruction set computer, reduced instruction set computingcomputer architecture, architecture - (computer science) the structure and organization of a computer's hardware or system software; "the architecture of a computer's system software"computer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structurescomplex instruction set computer, complex instruction set computing, CISC - (computer science) a kind of computer architecture that has a large number of instructions hard coded into the CPU chip

RISC


RISC

[risk] (computer science) reduced instruction set computer

RISC

Reduced Instruction Set Computer

RISC

(Reduced Instruction Set Computer) A computer architecture that reduces chip complexity by using simpler machine instructions. In order to execute the equivalent comprehensive instructions found in traditional CISC computers (complex instruction set computers), such as Intel's ubiquitous x86 line, compilers for RISC hardware have to generate multiple RISC instructions. The most widely used RISC microprocessors are the ARM CPUs found in every smartphone and almost every tablet.

RISC and CISC Are Both Thriving
Although RISC designs date back to the 1960s, commercial RISC CPUs from MIPS and Sun became popular in the late 1980s. When introduced, RISC CPUs were faster than their CISC counterparts; however, advancements in CISC technology over the years narrowed the performance advantage. Ever-increasing clock speeds and enhanced architectures made CISC CPUs more powerful, and Windows caused the Intel CISC-based x86 market to grow exponentially in the 1990s. Even after a decade of use, Apple switched its Macs from RISC to CISC (see Mactel). Nevertheless, due to the low power consumption of RISC CPUs, smartphones and tablets (except for Windows tablets) are almost exclusively RISC-based ARM chips. See x86 and ARM.


No Microcode Conversion
RISC processors have no microcode conversion overhead. RISC keeps instruction size constant and bans indirect addressing, retaining only those instructions that can be overlapped and made to execute in one machine cycle or less. See microcode, indirect address and compiler.

RISC


RISC

Cardiology A clinical trial–Risk of Myocardial Infarction & Death by Treatment with Low Dose Aspirin & Intravenous Heparin in Men with Unstable Coronary Artery Disease that evaluated the risk of MI and death during therapy with low-dose aspirin and IV heparin in high-risk men. See Acute myocardial infarction, Low-dose aspirin.
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RISC


AcronymDefinition
RISCReduced Instruction Set Computer
RISCReduced Instruction Set Computing
RISCResearch Institute for Symbolic Computation (Linz, Austria)
RISCRNA Induced Silencing Complex (ribonucleoprotein complex involved in mRNA degradation)
RISCRetail Installment Sales Contract
RISCReduced Instruction Set Code
RISCRegional Interagency Steering Committee (FEMA/Federal Response Plan)
RISCRegulatory Information Service Center (OMB)
RISCRhode Island Supreme Court (judiciary)
RISCRisk Information Support Center
RISCResponsible Internet Service Companies
RISCRisk Information Sharing Consortium (National League of Cities)
RISCRadiology Information System Consortium
RISCResearch Group on Instability in Coronary Artery Disease
RISCRegional Intelligence Support Center
RISCReduced Instruction Set Class
RISCRisk Institute for the Support of Communication
RISCRepository for Individuals of Special Concern (US FBI)
RISCRural Industries Service Centre (India)
RISCRunway Incursion Severity Classification (ICAO)
RISCRestraint Information System Collection (Pennsylvania Department of Education)
RISCRaffles Institution Science Club (Raffles Institution; Singapore)
RISCRhode Island Striper Club

RISC


  • noun

Synonyms for RISC

noun (computer science) a kind of computer architecture that has a relatively small set of computer instructions that it can perform

Synonyms

  • reduced instruction set computer
  • reduced instruction set computing

Related Words

  • computer architecture
  • architecture
  • computer science
  • computing

Antonyms

  • complex instruction set computer
  • complex instruction set computing
  • CISC
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更新时间:2025/2/21 21:30:13