Operating System (OS)
Which type of command requires additional files to perform specific operations?

External commands
Internal commands
Valuable commands
Primary commands

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Operating System (OS)
Thrashing

can be caused by poor paging algorithms
None of these
always occurs on large computers
can always be avoided by swapping
is a natural consequence of virtual memory systems

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Operating System (OS)
Round-robin scheduling

is quite complex to implement
allows interactive tasks quicker access to the processor
gives each task the same chance at the processor
None of these
allows processor-bound tasks more time in the processor

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Operating System (OS)
System generation:

is always quite simple
None of these
requires extensive tools to be understandable
varies in difficulty between systems
is always very difficult

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