Consider a machine which is byte addressable and has the segmented paging architecture for virtual memory. Virtual address space (VAS) is 4 GB and physical address space (PAS) is 4 GB. The VAS is divided into 128 non-overlapping equal size segments. The memory management unit (MMU) has a hardware segment table, each entry of which contains the physical address of the page table for the segment. Page tables are stored in the main memory and consists of 2- byte page table entries. The minimum page size in bytes so that the page table for a segment requires at most one page to store it КВ.
Consider a machine which is byte addressable and has the segmented paging architecture for virtual memory. Virtual address space (VAS) is 4 GB and physical address space (PAS) is 4 GB. The VAS is divided into 128 non-overlapping equal size segments. The memory management unit (MMU) has a hardware segment table, each entry of which contains the physical address of the page table for the segment. Page tables are stored in the main memory and consists of 2- byte page table entries. The minimum page size in bytes so that the page table for a segment requires at most one page to store it КВ.
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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Transcribed Image Text:Consider a machine which is byte addressable
and has the segmented paging architecture for
virtual memory. Virtual address space (VAS) is 4
GB and physical address space (PAS) is 4 GB.
The VAS is divided into 128 non-overlapping
equal size segments. The memory management
unit (MMU) has a hardware segment table, each
entry of which contains the physical address of
the page table for the segment. Page tables are
stored in the main memory and consists of 2-
byte page table entries. The minimum page size
in bytes so that the page table for a segment
requires at most one page to store it
КВ.
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