Deadlock — true or false?

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Mutual exclusion is one of the four Coffman conditions for deadlock.

2. Statement is true

   No

   Statement

   Banker's algorithm is used for deadlock detection only, not avoidance.

3. Statement is true

   Yes

   Statement

   Resource allocation graph with a cycle always implies deadlock in single-instance resources.

4. Statement is true

   Yes

   Statement

   Preemption violates the 'no preemption' Coffman condition.