Operating System (OS)
In which of the storage placement strategies a program is placed in the smallest available hole in the main memory?

None of these
best fit
worst fit
buddy
first fit

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Operating System (OS)
Virtual Memory

is a method of allocating processor time.
consists of those addresses that may be generated by a processor during execution of a computation.
None of these
allows multiple programs to reside in separate areas of core at the time.
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.

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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
None of these
Thrashing is a natural consequence of virtual memory systems.
Seek analysis is used for analysing control-unit busy problems.
All of these

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