Operating System (OS)
A Processor

is a sequence of instructions
is a device that performs a sequence of operations specified by instructions in memory.
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)
File record length

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

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Operating System (OS)
Fork is

None of these
the creation of a new process
the dispatching of a task
increasing the priority of a task
the creation of a new job

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