Operating System (OS)
File record length

depends upon the size of the file
should be chosen to match the data characteristics
None of these
should always be fixed
Should always be variable

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Operating System (OS)
Which of the following statement is true.

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

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