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A set of methods that allow executing a program which is not completely in memory is called
A set of methods that allow executing a program which is not completely in memory is known as Virtual memory
Optimal page replacement An optimal page replacement algorithm has the least page fault rate of all algorithms. The algorithm states that a 'replace the page that will not be
how to differentiate scheduling algorithms?
Deadlocks can be detected while the program is running, by running cycle detection algorithms on the graph that de?nes the current use of resources. De?ne this graph as follows:
What are scheduling queues? Since the processes enter the system they are put into job queue. This queue contains all processes in the system. The processes that are exist in m
Q. Describe the purpose of the open() and close() operations. Answer: The open() operation notifies the system that the named file is about to become active. The c
difference between process and thread
What are the operations that can be performed on a directory? The operations that can be performed on a directory are Search for a file Create a file Delete a
What advantages are there to this two-level directory? Users are isolated from each other. Users have more freedom in choosing file names.
Q. Describe the three main architectural layers of Windows XP? Answer: (1) The HAL (Hardware Abstraction Layer) creates operating system portability by hiding hardware differ
Define what is Dispatcher In the Worker Model, it is the task of the Dispatcher to spawn a thread for every client-to-server connection. The Dispatcher acts as the go-between o
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