Operating System (OS)
The term "operating system" means

a set of programs which controls computer working
the way a computer operator works
None of these
conversion of high level language into machine code
the way a floppy disk drive operates

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Operating System (OS)
Thrashing

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

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