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 access to a shared printer in a network
Controlling the fuel injection system of an automobile engines

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Operating System (OS)
What is the method of handling deadlocks?

All of these
Allow the system to enter the deadlock state and then recover
Pretend that deadlocks never occur in the system
Use a protocol to ensure that the system will never enter a deadlock state

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Operating System (OS)
Backups should be done

as several image copies, followed by an incremental
None of these
as several incrementals, followed by an image copy
weekly for most installations
daily for most installations

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