Computer Science GCSE
CPU working memory
What CPU working memory means in Computer Science GCSE, as defined for OCR.
Definition of CPU working memory
Check what you remember
Read the wording for your board, then hide it and explain CPU working memory in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Fast, directly accessible memory that temporarily holds data and instructions currently in use by the CPU.
Topics that use CPU working memory
- Primary storage (memory) (OCR GCSE)
Related terms
- Cache
- Cache size
- Computer start-up sequence
- CPU access to instructions and data
- Page file or swap file
- Primary storage
- Speed and performance
- Start-up and firmware
Using CPU working memory 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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