Operating System (OS)
Feed back queue

are used to favor real-time tasks
None of these
dispatch tasks according to execution characteristics
are very easy to implement
require manual intervention to implement properly

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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 access to a shared printer in a network
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

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