Operating System (OS)
Which of the following is helpful in evaluating applications software what will best suit your needs?

All of these
None of these
recommendations by other users
objective software reviews
computer magazines

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Operating System (OS)
The LRU algorithm

None of these
pages out pages that have been used recently
pages out the first page in a given area
pages out pages that have been least used recently
pages out pages that have not been used recently

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

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

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