Operating System (OS)
File record length

None of these
should always be fixed
depends upon the size of the file
should be chosen to match the data characteristics
Should always be variable

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Operating System (OS)
Memory

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

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