a) Suppose there are two processes P1 (16 B) and P2 (12 B) with a page size of 4 B. The main memory size is 40 B. The page table for P1 and P2 are given below: Page# 0 1 2 3 Frame# 9 0 2 7 Contents UB2 UB8 UB1 UB7 Contents UB2 UB1 UB4 Page# Frame# 0 4 1 3 2 6 Page table: P2 i. raw the memory representations consisting of the contents for both P1 and P2. a) Address 1010 of P1 b) Address 0111 of P2 ii. Find the corresponding physical addresses of the following logical addresses: iii. How can you make efficient use of the main memory in this scenario?

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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a) Suppose there are two processes P1 (16 B) and P2 (12 B) with a page size
of 4 B. The main memory size is 40 B. The page table for P1 and P2 are given
below:
Page#
0
1
2
3
Frame#
9
0
2
7
Contents
UB2
UB8
UB1
UB7
Page#
0
1
2
Frame#
4
3
6
Page table: P2
Contents
UB2
UB1
UB4
a) Address 1010 of P1
b) Address 0111 of P2
i.
raw the memory representations consisting of the contents for both P1
and P2.
ii. Find the corresponding physical addresses of the following logical
addresses:
iii. How can you make efficient use of the main memory in this scenario?
Transcribed Image Text:a) Suppose there are two processes P1 (16 B) and P2 (12 B) with a page size of 4 B. The main memory size is 40 B. The page table for P1 and P2 are given below: Page# 0 1 2 3 Frame# 9 0 2 7 Contents UB2 UB8 UB1 UB7 Page# 0 1 2 Frame# 4 3 6 Page table: P2 Contents UB2 UB1 UB4 a) Address 1010 of P1 b) Address 0111 of P2 i. raw the memory representations consisting of the contents for both P1 and P2. ii. Find the corresponding physical addresses of the following logical addresses: iii. How can you make efficient use of the main memory in this scenario?
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