1. Consider the following snapshot of a system: Process PO P1 P2 P3 P4 A 0 1 1 0 0 Allocation B C 0 0 3 CHOS 3 D 0 ONONT 1 2 0 1 5 4 6 0 1 4 2 Max A 0 0 1 OON 2 BON 366 7 Answer the following questions using Banker's Algorithm: a) What is the content of the matrix Need? b) Is the system in a safe state? CLS555 ONO626 Available 0 с D А AL NO B с DO 1 5 2 0 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
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1. Consider the following snapshot of a system:
Process
PO
P1
P2
P3
P4
A
0
1
1
0
0
Allocation
с
B
0
0
3
1
ONO
D A
2
0
0
5
4
6
3 2
0 1 4
Max
OD
0
OON
BON
1
7
2 3
0
0
с
Answer the following questions using Banker's Algorithm:
a) What is the content of the matrix Need?
b)
Is the system in a safe state?
SSSP
1
5
5
D A
1
ON
6
6 5
2
6 5 6
2
Available
B
5
с
2
D
0
c)
If a request from process p1 arrives for (0,,4,2,0) can the request be granted immediately.
Transcribed Image Text:1. Consider the following snapshot of a system: Process PO P1 P2 P3 P4 A 0 1 1 0 0 Allocation с B 0 0 3 1 ONO D A 2 0 0 5 4 6 3 2 0 1 4 Max OD 0 OON BON 1 7 2 3 0 0 с Answer the following questions using Banker's Algorithm: a) What is the content of the matrix Need? b) Is the system in a safe state? SSSP 1 5 5 D A 1 ON 6 6 5 2 6 5 6 2 Available B 5 с 2 D 0 c) If a request from process p1 arrives for (0,,4,2,0) can the request be granted immediately.
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