Operating System (OS)
Backups should be done

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

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Operating System (OS)
Memory

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

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