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Performance of demand paging
Demand paging can have an important effect on the performance of a computer system. As long as there are no page faults, the effective access time is equal to the memory access time. The memory access time is represented by ma, now ranges from 10 to 200 nanoseconds.
Q. Explain about diffrent Process State? Process State When process executes, it changes its state. Process state is defined as the current activity of the process. Fi
What are the use of job queues, ready queues and device queues? As a process enters a system they are put in to a job queue. These queues having of all jobs in the system. The
Why are segmentation and paging sometimes combined into one scheme? Segmentation and paging are often combined in order to improve upon each other. Segmented paging is helpful
Define the DosExit Function used in the OS/2 DosExit(action, resultCode) DosExit function is to be called when a thread or process is finished executing. If EXIT_THREAD is
Briefly discuss on Bankers algorithm? The resource-allocation graph algorithm is not applicable to a resource-allocation system with multiple examples for each resource type.
The term Operating System (OS) is often misused. It is common, for example, for people to speak of an OS when they are in fact referring to an OS and to a set of additional applica
Explain the Fork-join This is primitives in a higher level programming language for implementing interacting processes. The syntax is like this: fork ; join ; where
The swapper work s on the biggest scheduling priority. Initially it will look for any sleeping process, if not get then it will see for the ready-to-run process for swapping. Bu
Parent process P creates three child processes, C1, C2, and C3. Each child process executes a memory and CPU intensive application of your choice. Your choice should be such that
Question 1 Explain (a) tightly coupled systems (b) Loosely coupled system Question 2 Describe the RPC model Question 3 Write a note o
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