Virtual Memory (OCR GCSE Computer Science): Flashcards
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Practise the cards
13 cards from this deck
What is virtual memory?
What is virtual memory?
Uses hard drive as temp storage when RAM is full
Virtual memory speed vs RAM
Virtual memory speed vs RAM
Slower than RAM
When virtual memory is needed
When virtual memory is needed
When system runs out of RAM
Paging in virtual memory
Paging in virtual memory
Moving less-used data from RAM to hard drive
Swap file purpose
Swap file purpose
Stores virtual memory data on hard drive
How to reduce virtual memory reliance
How to reduce virtual memory reliance
Increase physical RAM
Flash memory type
Flash memory type
Non-volatile memory (ROM)
Flash memory when power is off
Flash memory when power is off
Retains data
Flash memory physical feature
Flash memory physical feature
No moving parts
Flash memory advantages
Flash memory advantages
Faster, more reliable, more durable than mechanical drives
Flash memory capability
Flash memory capability
Can be erased and reprogrammed
What type of memory do USB sticks use?
What type of memory do USB sticks use?
Flash memory
What type of memory do SSDs use?
What type of memory do SSDs use?
Flash memory