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Second-Chance algorithm
When a page has been selected, we inspect its reference bit. If the value is 0, we proceed to replace this page. If the reference bit is set to 1, though, we give that page a second option and move on to select the next FIFO page.
advantage and dis advantage of threads
Question: (a) Explain the similarities and differences between two different threads running in the same process and two independent processes. When would you want to use two t
VoIP (Voice over Internet Protocol), also called Internet telephone, was once a novelty on the Internet, but not very useful because of all the problems with poor voice quality and
what is an operating system?
What is an acyclic graph? A tree that has been corrupted by links to other branches, but does not have any cyclic paths in it.
bootstrap
Define Ageing Ageing is a method of enhancing the priority of process waiting in Queue for CPU allocation
What is contiguous allocation? Allocation of a group of consecutive sectors for a one file.
The drawbacks of fixed partitioning are: The number of partitions are précised at system generation time limits the number of active processes in the system. For the re
Several schemes available are as follows: Pipes : One-way communication process through which different process can interact. The problem is that the two processes could have
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