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Q. What is the effect of permitting two entries in a page table to point to the same page frame in memory? Describe how this effect could be used to decrease the amount of time ne
Some people write custom memory allocators to meet their speci?c needs. Although this is not needed for most of the applications, it is also not uncommon. The goal, of course, is t
Contiguous allocation The contiguous-allocation method needs each file to occupy a set of contiguous blocks of the disk. Disk addresses explain a linear ordering on the disk. T
Define deadlock prevention. Deadlock prevention is a set of process for ensuring that at least one of the four essential conditions like mutual exclusion, hold and wait, no pr
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
Define the “turn-around” time of a user job Turn- around time is total time taken to execute the job.
Note that the parameter for scanf doesn't need the address operators & because name is an address. However the variable name has no defined space. This can cause problems within C
Explain the Communications of Request or Response Interface The inter-application communication must provide four specific interface to the CSInterface() components. A client m
What is process control block? Every process is represented in the OS by a process control block. It has many pieces of information associated with an exact process.
Virtual File System serves two important functions. 1. It divides file-system-generic operations from their execution by defining a clean VFS interface. 2. The VFS is based
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