Question

For sharable resources, mutual exclusion ____________

(a) is required

(b) is not required

(c) may be or may not be required

(d) none of the mentioned

This question was posed to me in an international level competition.

Question is from Deadlock Prevention topic in chapter Deadlocks of Operating System

Answer 1

Correct choice is (b) is not required

Easy explanation - They do not require mutually exclusive access, and hence cannot be involved in a deadlock.