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

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

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Operating System (OS)
A relocate program form is one which

cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation.
None of these
consists of a program and relevant information for its relocation.
can itself performs the relocation of its address-sensitive portions.
All of these

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