Operating System (OS)
Interprocess communication

allows processes to synchronize activity
is usually done via disk drives
is never necessary,
is required for all processes
None of these

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Operating System (OS)
Thrashing

is a natural consequence of virtual memory systems
can always be avoided by swapping
can be caused by poor paging algorithms
always occurs on large computers
None of these

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

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

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