Operating System (OS)
All the time a computer is switched on, its operating system software has to stay in

primary storage
floppy disk
disk drive
main storage
None of these

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Operating System (OS)
Thrashing can be avoided if

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

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