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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 the different STATES of a process. As a process implement it changes state. The state of a process is described in part by the current activity of that
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Define the DosExecPgm Functions used in the OS/2 DosExecPgm (objBuffer, objLen, flags, cmdLine, env, &resultCode, execName) DosExecPgm function is designed to load an execut
Assume that P A , P B and P C are three distinguished program s . When P A is executed, it needs 10 ticks to complete its execution and it forks new processes executing P B at tick
Question 1: (a) Discuss about the evolution of operating systems from mainframe batch systems to mainframe time sharing systems. (b) Explain your understanding of the "sus
list trhe various classification of model and types?
What are the methods for handling deadlocks ? The technique for handling the deadlocks are: We are able to use protocol to prevent or avoid the deadlock, make sure tha
What is an acyclic graph? A tree that has been corrupted by links to other branches, but does not have any cyclic paths in it.
I need help,i want a brief and easy explanation to understand and write in exams and easy to understand topic of DMA block diagram which Is of I/O management and scheduling? can u
What are threads? A thread - sometimes called as an implementation context or a lightweight process - is a single sequential flow of control within a program. We use threads
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