Question

26) Which of the following is a condition that causes deadlock?

a.Mutual exclusion
b.Hold and wait
c.Circular wait
d.No preemption
e.All of these

Answer 1

e. All of these cause deadlock.

• In simple words, we can describe deadlock as an operation system in which two or greater than two processes are blocked.
• In order to make deadlock effective or operational, four conditions are required which are :

1. Mutual Exclusion
2. Hold and Wait
3. No preemption
4. Circular wait

• It shall be noticed that if any of these conditions is not present, then the deadlock operational system will not be effective.
• Hence, the correct option is e. All of these

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