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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Operating System (OS)
Which of the following is not a characteristic of a daisy chaining priority control scheme?

priority is programmable
the number of control lines is independent of the number of devices on the chain
None of these
the failure of one device may affect other devices on the chain
it is relatively easy to add more devices to the chain

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