complex instruction set computer
Definition
- Noun:
- (Computer Science) A type of computer architecture characterized by a CPU chip containing a large, comprehensive set of hard-coded instructions. This contrasts with architectures that use a smaller, more optimized set of instructions.
Examples of Usage
- Noun:
- Early personal computers often used a complex instruction set computer architecture.
- The debate between complex instruction set computer and reduced instruction set computer designs was central to processor development in the 1980s.
Advanced Usage
- "CISC architecture": An abbreviation commonly used to refer to the complex instruction set computer design philosophy.
- CISC architecture aims to reduce the number of instructions per program by making each instruction more powerful.
Variants and Related Words
- CISC (n): The standard acronym for "complex instruction set computer."
- The Intel x86 family is a well-known example of CISC.
- RISC (n): Acronym for "reduced instruction set computer," the contrasting architectural approach.
- RISC processors often execute instructions faster than their CISC counterparts.
Synonyms
- CISC: The direct acronymic synonym.
- Complex instruction set computing: The full descriptive term for the architectural style.
Related Phrases
- CISC processor: A CPU built using the complex instruction set computer architecture.
- This CISC processor can execute a single instruction that performs a multi-step operation.
Noun
-
(computer science) a kind of computer architecture that has a large number of instructions hard coded into the CPU chip
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