Operating System (OS)
A page fault

occurs when a program accesses a page of memory
is a reference to a page belonging to another program
None of these
is an error is a specific page
is an access to a page not currently in memory

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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 largest hole from the available memory holes
It allocates the smallest hole from the available memory holes

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Operating System (OS)
Data encryption

is mostly used by public networks
is mostly used by financial networks
cannot be used by private installations
is not necessary, since data cannot be intercepted
None of these

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