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Q. Advantages and disadvantages of multiprogramming?
Advantages
1. High CPU utilization.
2. It appears that many programs are allotted CPU almost concurrently.
Disadvantages
1. CPU scheduling is required.
2. To accommodate several jobs in memory, memory management is essential.
case study:interprocess communication
What are the requirements to be satisfied by the critical section problem? Following are the necessities to be satisfied by the critical section problem: a) Mutual exc
What is a resource-allocation graph? Deadlocks can be explained more precisely in terms of a directed graph called a system resource allocation graph. This graph having of a se
Write a note on semaphores A semaphore is a tool meant for synchronizing multiple processes trying to access a shared variable. That is a semaphore is used to deal with the cri
What is a Dispatcher? The dispatcher is the module that gives control of the CPU to the process selected by the short- term scheduler. This function includes: Switching
linked allocation using i node
Define properties of Time sharing operating system Time sharing:- T his systems uses CPU scheduling and multiprogramming to provide economical interactive use of a system. The
Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
What is the use of FIFOs in client-server applications
Explain Deadlock Prevention-Resource allocation graph allocation Resource allocation graph algorithm : Using this algorithm we are able to actually know if there exists in th
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