Computer Science GCSE
CPU purpose
What CPU purpose means in Computer Science GCSE, as defined for OCR.
Definition of CPU purpose
Check what you remember
Read the wording for your board, then hide it and explain CPU purpose in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The processor that runs program instructions held in main memory, fetching each instruction, decoding it, carrying it out and storing any result.
Topics that use CPU purpose
- Architecture of the CPU (OCR GCSE)
Related terms
- Execute stage
- Fetch stage
- MAR (Memory Address Register)
- Program Counter
- Von Neumann architecture
- ALU operations
- Cache performance
- Control unit coordination
Using CPU purpose in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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