Operating System (OS)
Daisy chain is a device for

All of these
None of these
interconnecting a number of devices to a number of controllers
connecting a number of devices to a controller
connecting a number of controllers to a device

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Operating System (OS)
The term 'polling' in a computer means a process by which a computer system

None of these
inquires to see if a terminal has any transaction to send
decides correct alternative by analysing several ones
multiplexes the inputs and updates the memory accordingly
detects/corrects errors

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

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