Operating System (OS)
The term "operating system" means

a set of programs which controls computer working
None of these
conversion of high level language into machine code
the way a computer operator works
the way a floppy disk drive operates

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

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