Operating System (OS)
Round-robin scheduling

is quite complex to implement
None of these
gives each task the same chance at the processor
allows interactive tasks quicker access to the processor
allows processor-bound tasks more time in the processor

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Operating System (OS)
Semaphores

synchronize critical resources to prevent deadlock
are used for memory management
synchronize critical resources to prevent contention
are used to do I/O
None of these

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