Assume, paging has been used as memory management technique and the page table is stored in memory which takes 150 nanoseconds. In addition, the associative memory is also used which takes 50 nanoseconds. What is the effective memory reference time, If 50% of all page-table references are found in the associative memory?In order to eliminate the need for contiguous allocation of physical memory, paging is assumed as an efficient memory management technique. But in this technique, the user's view of memory is not the same as the actual physical memory, how this could be achieved and how hardware provides such complicated memory translation?

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Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Assume, paging has been used as memory management technique and the page table is stored in memory which takes 150 nanoseconds. In addition, the associative memory is also used which takes 50 nanoseconds. What is the effective memory reference time, If 50% of all page-table references are found in the associative memory?
In order to eliminate the need for contiguous allocation of physical memory, paging is assumed as an efficient memory management technique. But in this technique, the user's view of memory is not the same as the actual physical memory, how this could be achieved and how hardware provides such complicated memory translation?

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