Computer Science GCSE
Fetch stage
What Fetch stage means in Computer Science GCSE, as defined for OCR.
Definition of Fetch stage
Check what you remember
Read the wording for your board, then hide it and explain Fetch 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 address in the program counter is copied to the memory address register and the instruction at that address is transferred to the memory data register.
Topics that use Fetch stage
- Architecture of the CPU (OCR GCSE)
Related terms
- CPU purpose
- Execute stage
- MAR (Memory Address Register)
- Program Counter
- Von Neumann architecture
- ALU operations
- Cache performance
- Control unit coordination
Using Fetch stage in the exam
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