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
detects/corrects errors
multiplexes the inputs and updates the memory accordingly
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

None of these
All of these
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.
can itself performs the relocation of its address-sensitive portions.
consists of a program and relevant information for its relocation.

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