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The procedure for handling the page fault is as follows
1. We check the internal table to verify whether the reference was valid or invalid.
2. If the reference was invalid, we terminate the process.
3. We find a free frame.
4. We schedule a disk operation to read the wanted page into the newly allocated frame.
5. When the disk read is complete, change the internal table to indicate that the page is now in memory.
6. We start again the instruction.
There is a process bloacked by a semaphore and no other process in the ready queue, can the blocked process get back to the ready queue without the semsignal() function?
why some companies do not pay sufficient attention to staff induction
Question: a) The following refers to optimization under Windows XP: i) Give five steps which could undertake to enhance overall system performance in a default Windows XP in
solution
Explain segmentation hardware? We define an completion to map two-dimensional user-defined addresses into one-dimensional physical addresses. This mapping is affected by means
Recognition of essential syntactic constructs by reductions, this task is carried out by Recognition of essential syntactic constructs by reductions, this task is carried out
Define where a Program generation activity aims Program generation activity aims at Automatic generation of program
State critical section problem? Discuss three solutions to solve the critical section problem. C-S Problem:- n processes all competing to use some shared data Every
Compare 2 different operating systems.
What are the disadvantages of swapping technique used in pre-3BSD UNIX systems? If there is excessively much memory contention, processes are swapped out until sufficient
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