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

detects/corrects errors
decides correct alternative by analysing several ones
None of these
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)
Which of the following statement is true.

None of these
Seek analysis is used for analysing control-unit busy problems.
The LRU algorithm pages out pages that have been used recently
Thrashing is a natural consequence of virtual memory systems.
All of these

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