Computer Science · Operating Systems
Suppose P1, P2, P3, and P4 are cooperating processes sharing a common resource under the Mutual Exclusion condition. If process P3 is currently executing inside its critical section, then which of the following must be true?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1At least one of P1, P2, or P4 can also execute in its critical section simultaneously
- 2Exactly one among P1, P2, or P4 can enter the critical section with P3
- 3None of P1, P2, or P4 can execute in their critical section at that time✓
- 4All waiting processes will immediately move to their critical section
Correct answer
None of P1, P2, or P4 can execute in their critical section at that time
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