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Question 1: (5 Marks)
Consider the following snapshot of a system:
Answer the following questions using the banker’s algorithm:
(a) What is the content of the matrix Need? 5
(b) Is the system in a safe state? If yes identify the safe sequence. Show the step by step execution by updating the data structure if necessary. 10
NOTE:Do not put any query on MDB about this assignment, if you have any query then emailatcs604@vu.edu.pk. |
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+ Click Here to Search (Looking For something at vustudents.ning.com?) + Click Here To Join (Our facebook study Group)safe sequence is <P4, P0, P1, P2, P3>
this is correct answer
but i can be achieved in 3 or four steps
This is the corrected solution plz change it before submit and pray for me.
thnk u
thanxxxxxx
thanx GODbless u
thanku
My Solution:
Need |
|||
A |
B |
C |
D |
2 |
3 |
1 |
0 |
0 |
3 |
2 |
12 |
1 |
3 |
0 |
2 |
1 |
0 |
3 |
7 |
0 |
1 |
1 |
2 |
|
Need |
Allocation |
Available |
|||||||||
Process |
A |
B |
C |
D |
A |
B |
C |
D |
A |
B |
C |
D |
P0 |
2 |
3 |
1 |
0 |
1 |
1 |
1 |
2 |
1 |
2 |
3 |
4 |
P1 |
0 |
3 |
2 |
12 |
1 |
0 |
2 |
2 |
2 |
7 |
5 |
11 |
P2 |
1 |
3 |
0 |
2 |
1 |
4 |
5 |
6 |
3 |
8 |
6 |
13 |
P3 |
1 |
0 |
3 |
7 |
2 |
5 |
4 |
2 |
4 |
8 |
8 |
15 |
P4 |
0 |
1 |
1 |
2 |
1 |
5 |
2 |
7 |
5 |
12 |
13 |
21 |
Enjoy dear students: Best of luck
Safe sequence
< P4, P0, P1, P2, P3 >
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