Operating System (OS)
Thrashing can be avoided if

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

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Operating System (OS)
The term 'polling' in a computer means a process by which a computer system

decides correct alternative by analysing several ones
detects/corrects errors
inquires to see if a terminal has any transaction to send
None of these
multiplexes the inputs and updates the memory accordingly

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Operating System (OS)
What hole will allocates in "Worst-Fit" algorithm of memory management?

It allocates the largest hole from the available memory holes
It allocates the smaller hole than required memory hole
It allocates the smallest hole from the available memory holes
It allocates the exact same size memory hole

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