Suppose P, Q, and R are cooperating processes satisfying Mutual Exclusion conditions. Then, if Q the process is executing in its critical section then

1. ABoth ' P ' and 'R ' execute in the critical section.
2. BNeither ' P ' nor ' R ' executes in their critical section.
3. C'P' executes in the critical section.
4. D' R ' executes in the critical section.

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: B. Neither ' P ' nor ' R ' executes in their critical section.

Explanation

While Q is in its critical section, mutual exclusion keeps both P and R out of theirs.