AQA GCSE Computer Science · 8525

The Fetch-Execute Cycle

What you need to know

Understand and describe the stages of the Fetch-Execute cycle.
Describe the fetch stage: retrieving the next instruction from main memory to the CPU.
Describe the decode stage: interpreting the instruction to determine the required action.
Describe the execute stage: carrying out the instruction, which may involve reading from or writing to main memory.