Memory Management (OCR A-Level Computer Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the main purpose of memory management in an operating system?
What is the main purpose of memory management in an operating system?
To increase processor speed
In paging, what are the fixed-size blocks of physical memory called?
In paging, what are the fixed-size blocks of physical memory called?
Segments
What is the function of a page table in paging?
What is the function of a page table in paging?
Stores program code
How does paging help prevent fragmentation?
How does paging help prevent fragmentation?
By using larger memory blocks
How does segmentation divide memory compared to paging?
How does segmentation divide memory compared to paging?
Into fixed-size blocks
What type of program structures do segments typically represent?
What type of program structures do segments typically represent?
File types and extensions
What is virtual memory?
What is virtual memory?
Extra RAM chips
What is the swap space used for in virtual memory?
What is the swap space used for in virtual memory?
Storing program files
Which benefit does virtual memory provide?
Which benefit does virtual memory provide?
Faster disk access
What is thrashing in the context of virtual memory?
What is thrashing in the context of virtual memory?
Disk failure
What is a key difference between paging and segmentation?
What is a key difference between paging and segmentation?
Paging is faster
Why is accessing virtual memory slower than RAM?
Why is accessing virtual memory slower than RAM?
Requires more power