Operating System (OS)
What hole will allocates in "Worst-Fit" algorithm of memory management?

It allocates the smaller hole than required memory hole
It allocates the largest hole from the available memory holes
It allocates the exact same size memory hole
It allocates the smallest hole from the available memory holes

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Operating System (OS)
What is the method of handling deadlocks?

Allow the system to enter the deadlock state and then recover
All of these
Pretend that deadlocks never occur in the system
Use a protocol to ensure that the system will never enter a deadlock state

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Operating System (OS)
Semaphores

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

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