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 -
Ans: FIFO
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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