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? Explain c. If a request from process P1 arrives for (0,4,2,0), can the request be granted immediately? Explain

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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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? Explain

c. If a request from process P1 arrives for (0,4,2,0), can the request be granted immediately? Explain

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