Which mechanism ensures that only one process can execute inside a critical section of code at any given time?
A. Paging Allocation
B. Mutual Exclusion
C. Context Swapping
D. Spooling Routine
Answer: Option B
Solution (By JKSSB Mock Tests)
Mutual Exclusion (Mutex) guarantees that if a process is executing inside its critical section, no other processes are permitted to enter that code path.
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