Consider the virtual memory scheme using paging. The page size is 128 bytes. The entries in the page table for process 3, starting from row 0 of the table onwards, are: (these are shown in binary, spaces are included just for better readability): 000 000 000 100 111 010 011 100 000 000 010 000 100 000 000 101 000 000 Convert the following PHYSICAL ADDRESSES to the corresponding LOGICAL ADDRESSES

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
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Q1.
Consider the virtual memory scheme using paging.
The page size is 128 bytes.
The entries in the page table for process 3, starting from row 0 of the table
onwards, are:
(these are shown in binary, spaces are included just for better readability):
000 000 000
100 111 010
011 100 000
000 010 000
100 000 000
101 000 000
...
Convert the following PHYSICAL ADDRESSES
to the corresponding LOGICAL ADDRESSES
in process 3.
These numbers are in BINARY,
and your answer should also be in BINARY.
Assume that each logical and physical address is
16 bits long.
Show details of your calculations.
(a) 011 100 000 001 001 0
(b) 101 000 000 010 010 1
Transcribed Image Text:Q1. Consider the virtual memory scheme using paging. The page size is 128 bytes. The entries in the page table for process 3, starting from row 0 of the table onwards, are: (these are shown in binary, spaces are included just for better readability): 000 000 000 100 111 010 011 100 000 000 010 000 100 000 000 101 000 000 ... Convert the following PHYSICAL ADDRESSES to the corresponding LOGICAL ADDRESSES in process 3. These numbers are in BINARY, and your answer should also be in BINARY. Assume that each logical and physical address is 16 bits long. Show details of your calculations. (a) 011 100 000 001 001 0 (b) 101 000 000 010 010 1
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