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Andrew Bennett Computing AS AS - Level Englisch 5 Karten

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1How is Virtual Memory used?The computer is conned into thinking that there is more RAM than in reality by using secondary storage as RAM
2SegmentationCheck segmentation notes
3What is Paging?When a fixed size piece of memory (a page) is swapped from RAM to secondary storage
4Why is Disk Threshing/Thrashing Important?It slows down the processing speed because it has a high rate of disk access. only occurring when data is being transferred from virtual memory to/from disk memory it acts as a brake on the whole system because disk access is slow
5Why is Memory Management Important?1. Allows memory sharing
2. Manages memory allocation when segmentation or paging happens
3. To reallocate memory that it made available when e.g. a program stops running
4. Protects the OS
5. Provided security (by no. 4 ^)
6. Protects the data that is running from the processes which are running
7. Allows memory to be allocated to separate

Beschreibung: AS - Level Computing AS Karteikarten am Ohne Titel, erstellt von Andrew Bennett am 03/12/2015.
Erstellt von: Andrew Bennett · Dez 2015
Aktualisiert: 23 Nov 2016
Aufrufe: 1
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