Operating System (OS)
User-Friendly Systems are:

required for object-oriented programming
becoming more common
common among traditional mainframe operating systems
None of these
easy to develop

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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.
Seek analysis is used for analysing control-unit busy problems.
None of these
All of these

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