Computer Science GCSE
Computer start-up sequence
What Computer start-up sequence means in Computer Science GCSE, as defined for OCR.
Definition of Computer start-up sequence
Check what you remember
Read the wording for your board, then hide it and explain Computer start-up sequence in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The CPU fetching and executing instructions from ROM to perform the power-on self-test, initialise hardware and load the operating system from secondary storage into RAM.
Topics that use Computer start-up sequence
- Primary storage (memory) (OCR GCSE)
Related terms
- Cache
- Cache size
- CPU access to instructions and data
- Page file or swap file
- Primary storage
- Speed and performance
- Start-up and firmware
- Swapping
Using Computer start-up sequence in the exam
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