Operating System (OS)
Daisy chain is a device for

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

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

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

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Operating System (OS)
What is the method of handling deadlocks?

Use a protocol to ensure that the system will never enter a deadlock state
Allow the system to enter the deadlock state and then recover
All of these
Pretend that deadlocks never occur in the system

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