Operating systems

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 bankers algorithm:

What is the content of the matrix Need?

Is the system in a safe state? Demonstrate the reason for your answer.

If a request from process P1 arrives for (0,4,2,0), can the request be granted immediately? Demonstrate the reason for your answer.