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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.
Write a short note about schedulers. Processes migrate between the various scheduling queues throughout its life time. The operating system should select for scheduling purpose
What are the phases of background processing? Phases are:- Job Scheduling. Job Processing. Job Overview.
Operating Systems 1. Illustrate the Microkernel Architecture with suitable diagram. 2. When Deadlock occurs? What are the Necessary Conditions for Deadlock? 3. Describe f
For example, by initializing a semaphore to 0, threads can wait for an event to occur, and impose an ordering constraint, similar to a monitor using condition variables, but with m
What is spooling? Spooling overlaps the I/O of single job with the computation of other jobs.
importance of Operating system in modern computers. Also explain various functions & types of operating systems
Write about directory structure?
Removing System Dependencies Because portions of the client - server application program may execute on different machines, it is very important for the developer to remove the
what is difference between file descriptor and file pointer?
Explain the concept of Reentrancy? It is a useful, memory-saving method for multiprogrammed timesharing systems. A Reentrant Procedure is one in which many users can share a si
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