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

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

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Operating System (OS)
Page stealing

Should be the turning goal
Is a sign of an efficient system
Is taking layer disk space for page in page out
Is taking page frame from other working sets

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Operating System (OS)
A critical region is

a program segment that often causes unexpected system crashes
none is the above
one which is enclosed by a pair of P and V operations on semaphores
a program segment that has not been proved bug-free
a program segment where shared resources are accessed

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