Operating System (OS)
In which addressing mode the operand is given explicitly in the instruction?

absolute mode
indirect mode
None of these
immediate mode
index mode

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

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

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

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

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