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Q. Explain about Error detection method?
Error detection: error can occur in CPU, in I/O devices or in memory hardware. Operating system constantly needs to be aware of possible errors. It must take the appropriate action to guarantee correct and consistent computing.
1. Resource Allocation
2. Accounting
3. Protection
Clustered file organization A clustered file is also called a B-tree-clustered file is a tree-structured file in which records with adjacent index values are clustered toget
LRU approximation page replacement In this we are able to use the reference bit associated with the page entry to choose a page to be removed. The various algorithms used for
What are the different directory structures? Explain each type. There are five dissimilar directory structures: 1. Single level directory 2. Two level directory
Entry-sequenced file organization The records in an entry-sequenced file are store up in the order they are written into the file. New records are for all time appended to
Q. What are the reasons for process suspension? Reasons for process suspension 1. Swapping 2. Timing 3. Interactive user request 4. Parent process request
Inverted page table In page table the page table has one entry for every page that the process is using. The operating system must translate this reference into a physical memo
what topic i choose for os research proposal
Define dynamic loading. To obtain better memory-space utilization dynamic loading is used. With dynamic loading, a routine is not loaded until it is called. All routines are ke
Q. Consider the subsequent page reference string: 1, 2, 3, 4, 2, 1, 5, 6, 2, 1, 2, 3, 7, 6, 3, 2, 1, 2, 3, 6. How many page faults would take place for the following replace
Explain the Architecting For Processes Processes are very important to the server application developer, as they may be used to increase responsiveness, deduction time, and tur
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