Computer Science GCSE
Volatility and data persistence
What Volatility and data persistence means in Computer Science GCSE, as defined for OCR.
Definition of Volatility and data persistence
Check what you remember
Read the wording for your board, then hide it and explain Volatility and data persistence in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
RAM is volatile and loses its contents when power is removed, so secondary storage is needed to provide non-volatile storage for data that must persist.
Topics that use Volatility and data persistence
- Secondary storage (OCR GCSE)
Related terms
- Data transfer and backup between systems
- Matching technology to user need
- Comparative evaluation
- Cost against performance
- Magnetic storage
- Non-volatile data storage
- Optical storage
- Secondary storage characteristics
Using Volatility and data persistence in the exam
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