Operating System (OS)
Capacity planning

does not depend on the monitoring tools available
is independent of the operating system
is not needed in small installations
requires detailed system performance information
None of these

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

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

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