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Define semaphore
A semaphore is a protected abstract or variable data type that constitutes the classic method for restricting access to shared resources like shared memory in a parallel programming environment.
Explain Formal Language Grammar A formal language grammar is a set of formation rules which explain which strings formed from the alphabet of a formal language are syntacticall
What is dispatch latency? The time taken by the dispatcher to stop one process and begin another running is known as dispatch latency.
Allocators can also be used to avoid problems with unsafe languages. C and C++ are pervasive, with huge amounts of existing code. They are also memory-unsafe languages, in that the
why we say" OS is a resource allocator" and “OS is a control program"?
#question.explain varios types of system calls..
What is scheduler? A process migrates among the various scheduling queues throughout its life time. The OS must choose processes from these queues in some fashion. This selecti
Question: a) Windows Server 2003 has brought great enhancements the Server System as compared to the previous version. Write down short notes on the below listed enhancements.
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
Q. Presume that you have a page-reference string for a process with m frames (initially all empty). The page-reference string has length p along with n distinct page numbers
mention the three problems that mat be caused by wrong initialization and placement of wait() and signal()operations in the use of semaphore
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