What does complex instruction set computing mean?
Definitions for complex instruction set computing
com·plex in·struc·tion set com·put·ing
This dictionary definitions page includes all the possible meanings, example usage and translations of the word complex instruction set computing.
Princeton's WordNet
complex instruction set computing, complex instruction set computer, CISCnoun
(computer science) a kind of computer architecture that has a large number of instructions hard coded into the CPU chip
Wikipedia
complex instruction set computing
A complex instruction set computer (CISC ) is a computer architecture in which single instructions can execute several low-level operations (such as a load from memory, an arithmetic operation, and a memory store) or are capable of multi-step operations or addressing modes within single instructions. The term was retroactively coined in contrast to reduced instruction set computer (RISC) and has therefore become something of an umbrella term for everything that is not RISC, where the typical differentiating characteristic is that most RISC designs use uniform instruction length for almost all instructions, and employ strictly separate load and store instructions. Examples of CISC architectures include complex mainframe computers to simplistic microcontrollers where memory load and store operations are not separated from arithmetic instructions. Specific instruction set architectures that have been retroactively labeled CISC are System/360 through z/Architecture, the PDP-11 and VAX architectures, and many others. Well known microprocessors and microcontrollers that have also been labeled CISC in many academic publications include the Motorola 6800, 6809 and 68000-families; the Intel 8080, iAPX432 and x86-family; the Zilog Z80, Z8 and Z8000-families; the National Semiconductor 32016 and NS320xx-line; the MOS Technology 6502-family; the Intel 8051-family; and others. Some designs have been regarded as borderline cases by some writers. For instance, the Microchip Technology PIC has been labeled RISC in some circles and CISC in others. The 6502 and 6809 have both been described as RISC-like, although they have complex addressing modes as well as arithmetic instructions that operate on memory, contrary to the RISC principles.
ChatGPT
complex instruction set computing
Complex Instruction Set Computing (CISC) is a type of microprocessor design that allows a single instruction to execute several low-level operations such as memory access, arithmetic operations, or addressing modes, or execute multi-step operations or processes via a single instruction. This design aims to reduce the number of instructions per program, simplifying the process of programming. However, this can lead to more complex computations and energy usage compared to other computing designs. Examples of CISC architectures include the x86 architecture used in most personal computers today.
Wikidata
Complex instruction set computing
A complex instruction set computer is a computer where single instructions can execute several low-level operations and/or are capable of multi-step operations or addressing modes within single instructions. The term was retroactively coined in contrast to reduced instruction set computer. Examples of CISC instruction set architectures are System/360 through z/Architecture, PDP-11, VAX, Motorola 68k, and x86.
Matched Categories
Numerology
Chaldean Numerology
The numerical value of complex instruction set computing in Chaldean Numerology is: 3
Pythagorean Numerology
The numerical value of complex instruction set computing in Pythagorean Numerology is: 7
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"complex instruction set computing." Definitions.net. STANDS4 LLC, 2024. Web. 17 May 2024. <https://www.definitions.net/definition/complex+instruction+set+computing>.
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