Computer Science GCSE
Cache size
What Cache size means in Computer Science GCSE, as defined for OCR.
Definition of Cache size
Check what you remember
Read the wording for your board, then hide it and explain Cache size in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A key factor affecting CPU performance; a larger cache reduces the average time the CPU waits for data by storing more frequently used instructions.
Topics that use Cache size
- Primary storage (memory) (OCR GCSE)
Related terms
- Cache
- Computer start-up sequence
- CPU access to instructions and data
- Page file or swap file
- Primary storage
- Speed and performance
- Start-up and firmware
- Swapping
Using Cache size 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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