Operating System (OS)
Boot startup process

Checks the computer connections
Prepare the computer ready
Loads system files to RAM
Clean up the computer memory

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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 the fuel injection system of an automobile engines
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

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