Operating System (OS)
You can use print manage window

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

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Operating System (OS)
All of the following are task performed by the operating system except

Performing housekeeping task like file compression and disk defragmentation
Provides an interface for user to interact with computer
Managing hardware on the computer
Controlling the access that application program has to the CPU

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

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