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

None of these
best fit
worst fit
first fit
buddy

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Operating System (OS)
The term "operating system" means

conversion of high level language into machine code
the way a computer operator works
the way a floppy disk drive operates
a set of programs which controls computer working
None of these

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

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