Memory Management: Virtual Memory and Page Replacement

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SparklingBalalaika
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What is the foundation of current virtual memory methods?

Paged demand paging

Which factor leads to the need for continuous program storage in virtual memory?

Evolution of virtual memory

How does the concept of the working set contribute to memory allocation schemes?

Guides memory allocation based on program execution behavior

What is the purpose of cache memory issued by the operating system in terms of memory management?

<p>Improve response time</p> Signup and view all the answers

In what way does page replacement policies compare in function and best uses in memory management?

<p>Determine which pages should be swapped out of memory</p> Signup and view all the answers

What is the purpose of determining the number of pages in a program prior to its execution in a paged memory allocation system?

<p>To ensure efficient memory use</p> Signup and view all the answers

In paged memory allocation, what is the purpose of the Memory Map Table?

<p>To monitor free/busy status of each page frame</p> Signup and view all the answers

Why is the compaction scheme eliminated in noncontiguous page frame storage?

<p>To prevent internal fragmentation</p> Signup and view all the answers

What does the Page Map Table (PMT) in paged memory allocation contain?

<p>Information for each page including its memory address</p> Signup and view all the answers

What is the main purpose of the Job Table (JT) in paged memory allocation?

<p>To store information for each active job</p> Signup and view all the answers

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