Operating System (OS)
Backups should be done

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

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Operating System (OS)
A Processor

None of these
is a device that performs a sequence of operations specified by instructions in memory.
is the device where information is stored
is typically characterized by interactive processing and time of the CPU
is a sequence of instructions

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