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Difference between CISC & RISC

CISC :- CISC stands for complex instruction set computer.

RISC :- RISC stands for reduced instruction set computer.

Sr. No.CISCRISC
1.Complex instruction set computerReduced instruction set computer
2.It has large number of instructionIt has small number of instruction of fixed length
3.Complex instruction take multiple clock cycleSingle cycle instruction
4.Complex & variable length instructionSimple length instruction
5.Less register are usedMore register are used
6.Compound addressing modeLimited addressing mode
7.Required a minimum amount of RAMRequired more RAM
8.Instructions are executed by microprogramInstructions are executed by hardware
9. Pipelining is difficultPipelining is easy
10.Example : PIC microcontroller from microchip, ARM, Power PC etc.Example : 8085, 8086, 8051 etc.

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Er. Hansraj Banger

Hansraj Banger is an electrical engineer with a passion for technology, innovation, and education. He is skilled in web development, web design, blogging, and content writing. Hansraj focuses on making engineering concepts simple and accessible, sharing clear explanations and practical insights to help learners at every level. He enjoys learning new things, creating useful resources, and supporting the community through digital knowledge and practical guides. Hansraj believes in building a friendly environment where complex topics become easy and everyone can grow with technology.

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