Operating System (OS)
Thrashing can be avoided if

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

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Operating System (OS)
All of the following are task performed by the operating system except

Provides an interface for user to interact with computer
Performing housekeeping task like file compression and disk defragmentation
Controlling the access that application program has to the CPU
Managing hardware on the computer

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