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Andrew S. Tanenbaum (OS) Edition 4 Exercise 3 Question 9 (Page No. 255)

admin asked in Operating System Oct 26, 2019 edited Oct 26, 2019 by Lakshman Bhaiya

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What kind of hardware support is needed for a paged virtual memory to work?

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descriptive

admin asked in Operating System Oct 26, 2019 edited Oct 26, 2019 by Lakshman Bhaiya

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Answer:

An MMU is needed to map virtual pages to the physical pages.

`JEET answered Oct 29, 2019

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Andrew S. Tanenbaum (OS) Edition 4 Exercise 3 Question 49 (Page No. 260)
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Andrew S. Tanenbaum (OS) Edition 4 Exercise 3 Question 48 (Page No. 260)
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Andrew S. Tanenbaum (OS) Edition 4 Exercise 3 Question 16 (Page No. 255)
You are given the following data about a virtual memory system: The $TLB$ can hold $1024$ entries and can be accessed in $1$ clock cycle $(1\: nsec).$ A page table entry can be found in $100$ ... $0.01\%$ lead to a page fault, what is the effective address-translation time?

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Andrew S. Tanenbaum (OS) Edition 4 Exercise 3 Question 12 (Page No. 255)
The amount of disk space that must be available for page storage is related to the maximum number of processes$,\: n,$ the number of bytes in the virtual address space, $v,$ and the number of bytes of $RAM,\: r$. Give an expression for the worst-case disk-space requirements. How realistic is this amount?

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