Operating System (OS)
Thrashing can be avoided if

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

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Operating System (OS)
File record length

should always be fixed
Should always be variable
depends upon the size of the file
should be chosen to match the data characteristics
None of these

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