Operating System (OS)
A Processor

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

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Operating System (OS)
Backups should be done

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

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