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

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

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Operating System (OS)
Page stealing

Is a sign of an efficient system
Is taking layer disk space for page in page out
Should be the turning goal
Is taking page frame from other working sets

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