Operating System (OS)
Which of the following is the allocation method of a disk space ?

All of the listed here
Contiguous allocation
Indexed allocation
Linked allocation

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Operating System (OS)
Data encryption

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

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Operating System (OS)
Multiprogramming systems:

None of these
are easier to develop than single programming system
are used only on large mainframe computers
execute more jobs in the same time period
execute each job faster

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Operating System (OS)
A co-processor

Is quite common in modern computer
Causes all processor to function equally
Works with any application
Is relatively easy to support in software

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