1. Consider the following snapshot of a systems: Allocation Мах Available Process AB C D 0 0 1 2 AB C D 0 0 1 2 1 75 0 AB C D I$ 2 0 PO PI 10 0 0 P2 135 4 2 3 5 6 0 6 3 2 0 0 1 4 P3 0 6 5 2 0 6 5 6 P4 Answer the following questions using the banker's algorithm: (1) What is the content of the matrix Need? (2) Is the system in a safe state? (3) If a request from process P1 arrives for (0, 4, 2, 0), can the request be granted immediately?

1. Consider the following snapshot of a systems: Allocation Мах Available Process AB C D 0 0 1 2 AB C D 0 0 1 2 1 75 0 AB C D I$ 2 0 PO PI 10 0 0 P2 135 4 2 3 5 6 0 6 3 2 0 0 1 4 P3 0 6 5 2 0 6 5 6 P4 Answer the following questions using the banker's algorithm: (1) What is the content of the matrix Need? (2) Is the system in a safe state? (3) 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

1. Consider the following snapshot of a systems:
Allocation
Мах
Available
Process
AB C D
AB C D
0 0 1 2
A B C D
0 0 1 2
15 2 0
PO
1 0 0 0
7 5 0
PI
1
P2
1
3
5 4
2 35 6
0 6 3 2
0 0 1 4
P3
0 6 5 2
0 6 5 6
Р4
Answer the following questions using the banker's algorithm:
(1) What is the content of the matrix Neced?
(2) Is the system in a safe state?
(3) If a request from process Pl arrives for (0, 4, 2, 0), can the request be granted immediately?

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