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Q. Suppose that you want to utilize a paging algorithm that requires a reference bit (such as second-chance replacement or working-set model) however the hardware does not provide
Q. Consider the demand-paged computer system where the level of multiprogramming is currently fixed at four. The system was recently deliberate to determine utilization of CPU and
Define the Main reason to encrypt a file Major reason to encrypt a file is secure it for transmission.
Essential Properties of Operating System 1. Batch: Jobs with similar needs are batched together and run through the computer as a group by an operator or automatic job sequen
What is a file? A named collection of related data explained by the creator, recorded on secondary storage.
Enhanced Second chance algorithm In this a modify bit is as well used. Now if the ordered pair of reference and modify is (0,0) neither recently used nor modified - the best
What is a resource-allocation graph? Deadlocks can be explained more precisely in terms of a directed graph called a system resource allocation graph. This graph having of a se
List and discuss the various services provided by the operating system. Program execution - system capability to load a program into memory and to run it. I/O operatio
what is meant by lazzy swapper
how response times are reduced by allowing time sharing on top of multiprogramming
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