instruction set architecture

(architecture)(ISA) The parts of a processor's design thatneed to be understood in order to write assembly language,such as the machine language instructions and registers.Parts of the architecture that are left to the implementation,such as number of superscalar functional units, cachesize and cycle speed, are not part of the ISA.

The definition of SPARC, for example, carefullydistinguishes between an implementation and a specification.

单词	instruction set architecture
释义	instruction set architecture instruction set architecture (architecture)(ISA) The parts of a processor's design thatneed to be understood in order to write assembly language,such as the machine language instructions and registers.Parts of the architecture that are left to the implementation,such as number of superscalar functional units, cachesize and cycle speed, are not part of the ISA. The definition of SPARC, for example, carefullydistinguishes between an implementation and a specification. See ISA See IETM Support Activity
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