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An operating system provides the environment within that programs are executed. Internally operating systems differ greatly in their makeup because they are organized along many different lines. Design of a new operating system is amajor task. It is essential that goals of the system be well defined before design begins.
We can view an operating system from many vantage points. One view emphases on the services which the system provides, another on the interface which it makes available to users and programmers and a third on its components and their interconnections.
LRU approximation page replacement In this we are able to use the reference bit associated with the page entry to choose a page to be removed. The various algorithms used for
how does DMA increase system concurrency
Define thread cancellation & target thread. The thread cancellation is the task of terminating a thread before it has completed. A thread that is to be cancelled is often refer
what is application software?
There is a process bloacked by a semaphore and no other process in the ready queue, can the blocked process get back to the ready queue without the semsignal() function?
What is the different between basic synchronization and high level synchronization
Difference between cache and associate memory
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
How are file sharing and protection implemented? To execute file sharing and protection the system have to maintain more file and directory attributes than are needed on a sing
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
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