Operating System (OS)
A page fault occurs when

the page is found in the memory
the page is not found in the memory
the Deadlock happens
the Segmentation starts

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Operating System (OS)
The FIFO algorithm

execute first the job that has been in the queue the longest
executes first the job that first entered the queue
executes first the job with the least processor needs
None of these
executes first the job that last entered the queue

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Operating System (OS)
The necessary conditions needed before deadlock can occur?

Mutual Exclusion, No Hold and wait, Preemption, Circular Wait
Mutual Exclusion, Hold and wait, Preemption, No Circular Wait
Mutual Exclusion, Hold and wait, No Preemption, Circular Wait
No Mutual Exclusion, Hold and wait, Preemption, Circular Wait

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