Operating System (OS)
Indicate which, of the following, is not true about Nassi-Shneiderman charts

These charts can represent three fundamental control structures
None of these
These charts are type of graphical design tool
All of these
These charts cannot represent CASE constructs

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Operating System (OS)
A page fault

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

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Operating System (OS)
Data encryption

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

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