Please answer all parts of the question.

7. (90 points) Consider the following snapshot of a system: Allocation Max ABCD Available ABCD 1520 ABCD 0012 1750 2356 0652 0 65 6 Answer the following questions using PO 0012 P1 1000 P2 1354 P3 0632 P4 0014 the banker' algoi a) What is the content of the matrix Need? b) Is the system in a safe state? Ifyes, provide the sequence that satisfies the safety criteria; if no, provide reasons why not. c) If arequest from process Pl arives for (0,4,2,0), can the request be granted immediately? Ifyes, provide the sequence that satisfies the safety criteria; if no, provide reasons why not d) If arequest from process PO arves for (1,0,0,0), can the request be granted immediately? If yes, provide the sequence that satisfies the safety criteria if no, provide reasons why not e) Ifa request from process P2 arives for (1,0,0,1), can the request be granted immediately? Ifyes, provide the sequence that satisfies the safety criteria if no, provide reasons why not If a request from process P4 arrives for (0, 5, 0, 0), can the request be granted immediately? If yes, provide the sequence that satisfies the safety criteria; if no, provide reasons why not )