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Virtual memory is a technique that allows multiple processes to concurrently reside in main memory, providing the illusion of a large addressable space even with limited physical memory. It enables efficient management by mapping virtual addresses to physical addresses, enforcing protection between programs and the kernel. This translation process supports operations like page sharing and eliminates the need for contiguous memory allocation, thus simplifying the memory management processes.
Chapter 910 sections
Virtual memory is a technique that allows multiple processes to concurrently reside in main memory, providing the illusion of a large addressable space even with limited physical memory. It enables efficient management by mapping virtual addresses to physical addresses, enforcing protection between programs and the kernel. This translation process supports operations like page sharing and eliminates the need for contiguous memory allocation, thus simplifying the memory management processes.
Virtual memory provides a larger addressable space compared to physical memory.
The mapping of virtual addresses to physical addresses is essential for process management and protection.
Efficiency in memory use is enhanced through techniques such as page sharing and dynamic loading.
A memory management technique that allows the execution of processes that may not completely fit into physical memory by using secondary storage as an extension.
An event that occurs when a program tries to access a page that is not currently in physical memory, requiring it to be loaded from secondary storage.
Hardware component responsible for translating virtual addresses to physical addresses.
The set of pages in memory that a process is currently using, which allows efficient memory use without loading the entire process into main memory.
Code libraries that can be loaded into memory once and accessed by multiple programs, reducing memory redundancy.
Total Questions
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Estimated Time
4 min
Passing Score
70%
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