[理工] os 死結
For deadlock prevention that a process request all needed resources
prior to commencement of execution, what main disadvantages shell
be incurred?
(A) Mutual exclusion problems are still not solved.
(B) Resource utlization may be low.
(C) Starvation is possible.
(D) Preempting process would be frequent.
感覺每個答案都是對的..
為什麼答案是B ,C
A 可以理解不是主要缺點
但是D 為什麼是錯的?
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