Computer Science GCSE
Execute stage
What Execute stage means in Computer Science GCSE, as defined for OCR.
Definition of Execute stage
Check what you remember
Read the wording for your board, then hide it and explain Execute stage in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The stage in which the control unit sends control signals, the ALU may calculate, and results are written back to registers or memory.
Topics that use Execute stage
- Architecture of the CPU (OCR GCSE)
Related terms
- CPU purpose
- Fetch stage
- MAR (Memory Address Register)
- Program Counter
- Von Neumann architecture
- ALU operations
- Cache performance
- Control unit coordination
Using Execute stage in the exam
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