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What are over lays?
If a large process enters which is huge than the available memory we are able to use overlays. In this we can divide process into pieces .which is recognized as overlays. Overlay 0 will implement first. After the implementation of 0, it will call another overlay to implement. A few overlay systems were highly complex, permitting multiple overlays in memory at once. The idea of overlay is to remain in memory only those instructions are needed at any given time.
Write a short note about context switch. Switching the CPU to another process needs saving the state of the old process and loading the saved state for the new process. This ta
Define memory management In multiprogramming system the user part of memory should be further subdivided to accommodate multiple processes. The task of subdivision is carried o
What is an operating system? An operating system is a program that acts as a mediator between a user and the computer hardware. The function of an operating system is to provid
What are the phases of background processing? Phases are:- Job Scheduling. Job Processing. Job Overview.
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What is a client server system? Centralized systems proceed as server systems to satisfy request generated by client systems Server system is able to be broadly div
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breifly write a note on about evolution of operating system?
What is the use of multiprogramming on individual processors ? In the usual multiprocessor, which is dealing with independent or coarse-grained synchronization granularity, it i
examples of classification of models
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