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

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

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Operating System (OS)
The LRU algorithm

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

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Operating System (OS)
Assembler language

is quite different from the SCL interpreter
is usually the primary user interface
is a mnemonic form of machine language
None of these
requires fixed-format commands

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