Consider the following snapshot of a system: Allocation Max Available A B C D A B C D A B C D P0 0 0 1 2 0 0 1 2 1 5 2 0 P1 1 0 0 0 1 7 5 0 P2 1 3 5 4 2 3 5 6 P3 0 6 3 2 0 6 5 2 P4 0 0 1 4 0 6 5 6 Answer the following questions using the banker’s algorithm: a). What is the content of the matrix Need? b). Is the system in a safe state? c). If a request from process P1 arrives for (0,4,2,0), can the request be granted immediately?
Consider the following snapshot of a system: Allocation Max Available A B C D A B C D A B C D P0 0 0 1 2 0 0 1 2 1 5 2 0 P1 1 0 0 0 1 7 5 0 P2 1 3 5 4 2 3 5 6 P3 0 6 3 2 0 6 5 2 P4 0 0 1 4 0 6 5 6 Answer the following questions using the banker’s algorithm: a). What is the content of the matrix Need? b). Is the system in a safe state? c). If a request from process P1 arrives for (0,4,2,0), can the request be granted immediately?
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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Question
Consider the following snapshot of a system:
|
Allocation |
Max |
Available |
|
A B C D |
A B C D |
A B C D |
P0 |
0 0 1 2 |
0 0 1 2 |
1 5 2 0 |
P1 |
1 0 0 0 |
1 7 5 0 |
|
P2 |
1 3 5 4 |
2 3 5 6 |
|
P3 |
0 6 3 2 |
0 6 5 2 |
|
P4 |
0 0 1 4 |
0 6 5 6 |
|
Answer the following questions using the banker’s
a). What is the content of the matrix Need?
b). Is the system in a safe state?
c). If a request from process P1 arrives for (0,4,2,0), can the request
be granted immediately?
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