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2. Consider five processes Po through P4; four resources A, B, C and D. At time t the snapshot of th system is shown in Table 1. Table 1: Resources and allocation information Available Resources ABCD o211 Process/R Max Allocation Allocation esources A B ABCD 0 4 3 1 111 o O 1 2 0 3 1 2 1 o 12 CD 8 5 6 4 3 5 0 3 1 5 4 6 Ро P1 2 P2 P3 2 P4 1 Answer the following questions using Bankers algorithm (i) Is the system in a safe state? (ii) If so, show a safe order in which all the processes can run to completion. (iii) Use the Banker's algorithm to determine if a request of (o, 1, 1, 0) for (A, B, C, D), made by proces P2 can be granted safely without a possible deadlock.

2. Consider five processes Po through P4; four resources A, B, C and D. At time t the snapshot of th system is shown in Table 1. Table 1: Resources and allocation information Available Resources ABCD o211 Process/R Max Allocation Allocation esources A B ABCD 0 4 3 1 111 o O 1 2 0 3 1 2 1 o 12 CD 8 5 6 4 3 5 0 3 1 5 4 6 Ро P1 2 P2 P3 2 P4 1 Answer the following questions using Bankers algorithm (i) Is the system in a safe state? (ii) If so, show a safe order in which all the processes can run to completion. (iii) Use the Banker's algorithm to determine if a request of (o, 1, 1, 0) for (A, B, C, D), made by proces P2 can be granted safely without a possible deadlock.

Database System Concepts
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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Subject: Computer Science
2. Consider five processes Po through P4; four resources A, B, C and D. At time t the snapshot of the system is shown in Table 1. Table 1: Resources and allocation information Available Process/R Max Allocation Allocation Resources esources A BCD 5 2 A BCD 0 4 3 1 |ABCD o 21 1 Ро 8. P1 1 6. 4 2 1 1 1 1 2 0 3 1 2 1 o 1 2 3 P2 3 5 P3 1 2 2 P4 5 4 6 1 Answer the following questions using Bankers algorithm (i) Is the system in a safe state? (ii) If so, show a safe order in which all the processes can run to completion. (iii) Use the Banker's algorithm to determine if a request of (o, 1, 1, 0) for (A, B, C, D), made by process P2 can be granted safely without a possible deadlock.
Transcribed Image Text:2. Consider five processes Po through P4; four resources A, B, C and D. At time t the snapshot of the system is shown in Table 1. Table 1: Resources and allocation information Available Process/R Max Allocation Allocation Resources esources A BCD 5 2 A BCD 0 4 3 1 |ABCD o 21 1 Ро 8. P1 1 6. 4 2 1 1 1 1 2 0 3 1 2 1 o 1 2 3 P2 3 5 P3 1 2 2 P4 5 4 6 1 Answer the following questions using Bankers algorithm (i) Is the system in a safe state? (ii) If so, show a safe order in which all the processes can run to completion. (iii) Use the Banker's algorithm to determine if a request of (o, 1, 1, 0) for (A, B, C, D), made by process P2 can be granted safely without a possible deadlock.
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