Consider the following snapshot of a system:  Allocation Max Available        A B C D   A B C D   A B C D T0  3 1 4 1    6 4 7 3     2 2 2 4 T1  2 1 0 2    4 2 3 2 T2  2 4 1 3    2 5 3 3 T3  4 1 1 0    6 3 3 2 T4  2 2 2 1    5 6 7 5 Answer the following questions using the banker’s algorithm: a. Illustrate that the system is in a safe state by demonstrating an order in which the threads may complete. b. If a request from thread T4 arrives for (2, 2, 2, 4), can the request be granted immediately? c. If a request from thread T2 arrives for (0, 1, 1, 0), can the request be granted immediately? d. If a request from thread T3 arrives for (2, 2, 1, 2), can the request be granted immediately?

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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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
T0  3 1 4 1    6 4 7 3     2 2 2 4
T1  2 1 0 2    4 2 3 2
T2  2 4 1 3    2 5 3 3
T3  4 1 1 0    6 3 3 2
T4  2 2 2 1    5 6 7 5
Answer the following questions using the banker’s algorithm:
a. Illustrate that the system is in a safe state by demonstrating an
order in which the threads may complete.
b. If a request from thread T4 arrives for (2, 2, 2, 4), can the request be
granted immediately?
c. If a request from thread T2 arrives for (0, 1, 1, 0), can the request be
granted immediately?
d. If a request from thread T3 arrives for (2, 2, 1, 2), can the request be
granted immediately?

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