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3 Cards in this Set
- Front
- Back
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Features of RISC |
A limited number of instructions are available An instruction performs a simple task Complex tasks can only be performed by combining a number of instructions, so a task may take a number of machine cycles. Each instruction takes 1 cycle Fewer addressing modes Fewer instructions One or more register sets |
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Features of CISC |
Uses complex instructions each of which may take multiple cycles Many instructions are available Many addressing modes are available Instructions have variable format A task may be completed by a single instruction as instructions are more complex than individual instructions in RISC Programs run more slowly due to the complicated instructions/ circuit Increased hardware cost Many instructions may be redundant |
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Computing |
computing |
