Instruction Set - Yousef's Notes

#RISC

Reduced instruction set computing.
Small number of instructions that perform simple operations.
Easy to memorize all the instructions, but a simple task requires many of them.
The instructions are executed very quickly
It is an architecture oriented towards parallelism (pipelining) and superscalarity.
e.g. PowerPc, ARM, AVR, PIC

Complex instruction set computing.
Architecture that contains a large number of instructions that perform complex operations.
Difficult to learn all instructions, but with a few of them, complex tasks can be performed.
Not suitable for parallelism (pipelining)
e.g. 68000, Z80, x86