Question: What concept does the following represent: Can only be accessed via two indivisible -atomic) operations wait (S)[ while S

What concept does the following represent: Can only be accessed via two indivisible -atomic) operations wait (S)[ while S <= 0; S--; ] signal (S)[ S++; ]

Group of answer choices

context switch

Test and Set

Round-robin scheduling

semaphores

None of these answers

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