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logical page is not currently in the physical main memory, no frame number is specified for that logical page. Page Frame 0 1 2 ♡2 3 4 5 6 7 8 9 10 11 ~ 3 12 N 13 14 15 1 7 0 2 5 32 4 6

logical page is not currently in the physical main memory, no frame number is specified for that logical page. Page Frame 0 1 2 ♡2 3 4 5 6 7 8 9 10 11 ~ 3 12 N 13 14 15 1 7 0 2 5 32 4 6

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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1. Assume that P2 issues the logical address 0xD98A. What is the logical page number contained in the given logical address, in hexadecimal?

Answer is: 0x 6 

But I do not knot well how to calculate 

For the following questions, consider a system that has a physical main memory size of 64KB (216) and a page frame size (and hence page size) of 8KB (213). Assume that the system uses pure demand paging and that the system supports up to 17-bit logical/virtual addresses. Assume that a process P2 with a logical address space of 128KB (217) executes on this system. Assume that the current state of the page table for P2 in as shown below. The index of each entry in the page table is given for your convenience. Note that both the page and page frame number are in decimal. If a logical page is not currently in the physical main memory, no frame number is specified for that logical page. Page Frame 0 1 2 3 4 5 сл 6 7 8 9 10 11 12 13 14 15 1 7 0 2 5 I 3 4 6
Transcribed Image Text:For the following questions, consider a system that has a physical main memory size of 64KB (216) and a page frame size (and hence page size) of 8KB (213). Assume that the system uses pure demand paging and that the system supports up to 17-bit logical/virtual addresses. Assume that a process P2 with a logical address space of 128KB (217) executes on this system. Assume that the current state of the page table for P2 in as shown below. The index of each entry in the page table is given for your convenience. Note that both the page and page frame number are in decimal. If a logical page is not currently in the physical main memory, no frame number is specified for that logical page. Page Frame 0 1 2 3 4 5 сл 6 7 8 9 10 11 12 13 14 15 1 7 0 2 5 I 3 4 6
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