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Consider a virtual memory system providing 32 pages for each user program; the size of each page is 1KB. The size of main memory is 16KB. Consider one user program occupied 4 pages, and the page table of this program is shown as below: Logical page number | Physical block number 8 1 7 2 4 3 10 Assume there are three requests on logical address 0AC5H, 1AC5H, 3AC5H. First

Consider a virtual memory system providing 32 pages for each user program; the size of each page is 1KB. The size of main memory is 16KB. Consider one user program occupied 4 pages, and the page table of this program is shown as below: Logical page number | Physical block number 8 1 7 2 4 3 10 Assume there are three requests on logical address 0AC5H, 1AC5H, 3AC5H. First

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
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Consider a virtual memory system providing 32 pages for each user program; the size of each page is 1KB. The size of main memory is 16KB. Consider one user program occupied 4 pages, and the page table of this program is shown as below: Logical page number | Physical block number 8 1 7 4 3 10 Assume there are three requests on logical address 0AC5H, 1AC5H, 3AC5H. First please describe the format of the logical address and the physical address. Then please illustrate how the virtual memory system will deal with these requests.
Transcribed Image Text:Consider a virtual memory system providing 32 pages for each user program; the size of each page is 1KB. The size of main memory is 16KB. Consider one user program occupied 4 pages, and the page table of this program is shown as below: Logical page number | Physical block number 8 1 7 4 3 10 Assume there are three requests on logical address 0AC5H, 1AC5H, 3AC5H. First please describe the format of the logical address and the physical address. Then please illustrate how the virtual memory system will deal with these requests.
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