Wednesday, September 1, 2010

Operating System Question Answer

1. Concurrent processes are processes that -
Ans: Overlap in time

2. The page replacement policy that sometimes leads to more page faults when the size of the memory is increased is -

3. The only state transition that is initiated by the user process itself is -
Ans: Block

4. Fragmentation is -
Ans: fragments of memory words unused in a page

5. Give Example of real time systems
Ans: Aircraft control system, A process control system

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