Operating System (OS)
Thrashing can be avoided if

None of these
All of these
the speed of CPU is increased
the speed of I/O processor is increased
the pages, belonging to the working set of the programs, are in main memory

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Operating System (OS)
Data encryption

None of these
cannot be used by private installations
is mostly used by public networks
is not necessary, since data cannot be intercepted
is mostly used by financial networks

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