Operating System (OS)
The title bar always displays on

All of above
Left side of the open window
Top of the open windows
Right side of the open window

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

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Operating System (OS)
Semaphores

synchronize critical resources to prevent contention
are used for memory management
synchronize critical resources to prevent deadlock
None of these
are used to do I/O

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