Operating System (OS)
A real time operating system is most likely to be used for which of the following task?

Managing the access to system files in a laptop computers
Controlling access to a shared printer in a network
Ensuring that system clock works correctly on server
Controlling the fuel injection system of an automobile engines

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

to provide security against loss of information due to system failure
All of these
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

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