Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question
Banker’s
Processes |
Allocation |
Max |
Available |
||||||
R1 |
R2 |
R3 |
R1 |
R2 |
R3 |
R1 |
R2 |
R3 |
|
P1 |
0 |
1 |
0 |
7 |
4 |
4 |
4 |
1 |
2 |
P2 |
1 |
0 |
0 |
3 |
3 |
2 |
|||
P3 |
4 |
0 |
3 |
7 |
0 |
3 |
|||
P4 |
3 |
1 |
4 |
4 |
3 |
4 |
|
Answer the following questions
- Calculate and display the Need matrix
Is the system in safe state? If yes, then show at least one safe sequence of the processes. If no, then show why it is in an unsafe situation. Additionally, show how the Available (working array) changes as each process terminates.
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