input output systems, Operating System

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Q. Explain Message passing among systems? Communications- Message passing among systems requires messages to be turned into packets of information and sent to the network contr

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What is external fragmentation? As process are removed from and loaded to the memory free memory space is bracken into pieces .external fragmentation take place when enough mem

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Define the properties operating systems: Batch :- Jobs with similar needs are batched together and  run through the computer as a group by an operator or automatic job sequenc

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How are file sharing and protection implemented? To execute file sharing and protection the system have to maintain more file and directory attributes than are needed on a sing

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What are the different file operations? Create : - Space for the file in the file system update directory table. Write : - file name and data to be written is

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Write a brief note on demand paging. A demand paging is alike to a paging system with swapping. The Processes reside on the secondary memory while we want to implement a proces

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