Operating System (OS)
An incremental backup

uses more tapes
saves only files that have recently changed
should be done each month
saves all files
None of these

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Operating System (OS)
Backups should be done

None of these
daily for most installations
weekly for most installations
as several incrementals, followed by an image copy
as several image copies, followed by an incremental

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Operating System (OS)
Round-robin scheduling

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

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