Operating System (OS)
What is the name of the technique in which the operating system of a computer executes several programs concurrently by switching back and forth between them?

Windowing
Multitasking
Paging
Partitioning
None of these

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Operating System (OS)
Memory

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

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Operating System (OS)
The function(s) of file system is (are):

to provide for long and short term storage of files with appropriate economic tradeoffs.
to provide complete file naming freedom to the users and to permit controlled sharing of files
None of these
All of these
to provide security against loss of information due to system failure

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