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A multilevel page table is preferred in comparison to a single level page table for translating virtual address to physical address because
  • a)
    It reduces the memory access time to read or write a memory location.
  • b)
    It helps to reduce the size of page table needed to implement the virtual address space of a process.
  • c)
    It is required by the translation lookaside buffer.
  • d)
    It helps to reduce the number of page faults in page replacement algorithms.
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A multilevel page table is preferred in comparison to a single level p...
The size of page table may become too big (See this) to fit in contiguous space. That is why page tables are typically divided in levels.
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A multilevel page table is preferred in comparison to a single level p...
Explanation:


A multilevel page table is preferred over a single level page table for translating virtual address to physical address due to the following reasons:

Reduced Size of Page Table:


A single level page table is not feasible for large address spaces. For example, a 32-bit address space requires a 4GB page table, which is not practical to implement as a single level page table. On the other hand, a multilevel page table divides the page table into smaller pieces, which reduces the size of the page table needed to implement the virtual address space of a process.

Reduced Memory Access Time:


In a single level page table, the entire page table must be searched for each memory access, which can be time-consuming. In contrast, a multilevel page table divides the page table into smaller pieces, which reduces the time required for memory access.

Reduction in Page Faults:


In a multilevel page table, only the needed portion of the page table is loaded into memory, which reduces the number of page faults in page replacement algorithms. This is because, in a single level page table, the entire page table must be loaded into memory, which can cause a large number of page faults.

Therefore, a multilevel page table is preferred over a single level page table for translating virtual address to physical address due to its ability to reduce the size of page table, memory access time, and page faults.
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A multilevel page table is preferred in comparison to a single level page table for translating virtual address to physical address becausea)It reduces the memory access time to read or write a memory location.b)It helps to reduce the size of page table needed to implement the virtual address space of a process.c)It is required by the translation lookaside buffer.d)It helps to reduce the number of page faults in page replacement algorithms.Correct answer is option 'B'. Can you explain this answer?
Question Description
A multilevel page table is preferred in comparison to a single level page table for translating virtual address to physical address becausea)It reduces the memory access time to read or write a memory location.b)It helps to reduce the size of page table needed to implement the virtual address space of a process.c)It is required by the translation lookaside buffer.d)It helps to reduce the number of page faults in page replacement algorithms.Correct answer is option 'B'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about A multilevel page table is preferred in comparison to a single level page table for translating virtual address to physical address becausea)It reduces the memory access time to read or write a memory location.b)It helps to reduce the size of page table needed to implement the virtual address space of a process.c)It is required by the translation lookaside buffer.d)It helps to reduce the number of page faults in page replacement algorithms.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A multilevel page table is preferred in comparison to a single level page table for translating virtual address to physical address becausea)It reduces the memory access time to read or write a memory location.b)It helps to reduce the size of page table needed to implement the virtual address space of a process.c)It is required by the translation lookaside buffer.d)It helps to reduce the number of page faults in page replacement algorithms.Correct answer is option 'B'. Can you explain this answer?.
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