August 2024
Beginner
188 pages
4h 25m
English
Content preview from Essential Computer Hardware
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RISC
The RISC architecture uses a simpler set of more general instructions where each instruction is executed in one processor cycle. Note the term ‘reduced’ does not mean fewer instructions.
Lets look at an example. To add two numbers together, you’d use general instructions such as LDA for load, ADD for addition and STO for storing the result back to memory.
LDA 1000
ADD 1001
STO 1010
These are known as reduced instructions.
RISC processors are used in many game consoles such as the game cube, playstation, and xbox using IBM’s PowerPC chip, as well as many smart phones such as Android using the ARM processor.
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