Operating System (OS)
You can use print manage window

To check status of files in the print queue
To cancel the print job
To interrupt printing
All 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?

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

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