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Consider a 48-bit virtual address space. The system hierarchical paging. Therefore, the page table is divided into 4 Le following format:

Consider a 48-bit virtual address space. The system hierarchical paging. Therefore, the page table is divided into 4 Le following format:

Database System Concepts
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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Consider a 48-bit virtual address space. The system uses a page size of 4KB and two- Q2. level hierarchical paging. Therefore, the page table is divided into 4KB pages and the logical address has the following format: P1 P2 Offset Below are the relevant tables. The values are provided in hexadecimal. Outer Page Table 0 Page A of PT Page B of PT (rest are invalid) Page A of Page Table Page B of the Page Table 330 FEE 1 1 3BC 1 44B 2 124 2 E55 3 С3D (rest are invalid) X (rest are invalid) X а) Size of P1 = What is the size (number of bits) of each of the following logical address fields: bits Size of P2 = bits Size of Offset : bits * what is the physical/logical address corresponding to each of the following shown b) logical/physical addresses. Answer "Bad logical address" if the logical address is invalid. Logical Address Physical Address 000000000000 000003003102 000001002777 4BB3BC
Transcribed Image Text:Consider a 48-bit virtual address space. The system uses a page size of 4KB and two- Q2. level hierarchical paging. Therefore, the page table is divided into 4KB pages and the logical address has the following format: P1 P2 Offset Below are the relevant tables. The values are provided in hexadecimal. Outer Page Table 0 Page A of PT Page B of PT (rest are invalid) Page A of Page Table Page B of the Page Table 330 FEE 1 1 3BC 1 44B 2 124 2 E55 3 С3D (rest are invalid) X (rest are invalid) X а) Size of P1 = What is the size (number of bits) of each of the following logical address fields: bits Size of P2 = bits Size of Offset : bits * what is the physical/logical address corresponding to each of the following shown b) logical/physical addresses. Answer "Bad logical address" if the logical address is invalid. Logical Address Physical Address 000000000000 000003003102 000001002777 4BB3BC
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