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Difference between CISC and RISC

written 6.2 years ago by teamques10 ★ 68k

modified 2.9 years ago by pedsangini276 • 4.8k

Subject: Microcontrollers & Applications

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microprocessors and applications

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written 6.2 years ago by teamques10 ★ 68k

Sr No.	CISC	RISC
1.	CISC is known as Complex instruction set computers.	RISC is known as reduced instruction set computers.
2.	Addressing modes are complex.	Addressing modes are reduced in RISC processors.
3.	These processors have Variable length instructions	Fixed length instructions.
4.	High power consumption as compared to RISC processors.	Power consumption is low comparatively.
5.	Less number of registers.	RISC has large number of instructions.
6.	Pipeline in CISC processors maybe a little complex.	These processors has simple pipeline.
7.	These processors doesn’t fall in load store architecture.	RISC processors follows load-store architecture.
8.	Microprogrammed control logic.	Hardwired control logic. It is comparatively faster than microprogrammed control unit.

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