Computer Science AQA A level: What are the 5 stages to the fetch part of the Fetch-Execute cycle?

Question

What are the 5 stages to the fetch part of the Fetch-Execute cycle?

Will Parker · Accepted Answer

1. The content of the PC is copied to the MAR
2. The content of the MAR is transferred to main memory by the address bus
3. The instruction is sent from main memory to the MBR by the data bus
4. The PC is incremented by one
5. The content of the MBR is copied to the CIR

Computer Science AQA A level

What are the 5 stages to the fetch part of the Fetch-Execute cycle?

1. The content of the PC is copied to the MAR 2. The content of the MAR is transferred to main memory by the address bus 3. The instruction is sent from main memory to the MBR by the data bus 4. The PC is incremented by one 5. The content of the MBR is copied to the CIR

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