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Broken data into small packets allow time division multiplexing. In TDM every packet leaves the sender and is switched on the shared interaction channel through a multiplexer. At the receiver end the packet is switched through a demultiplexer to the destination. In the diagram this process is explained with a multiplexing circuit given.
What are the benefits of multithreaded programming? The advantages of multithreaded programming can be broken down into four main categories: Responsiveness Resourc
Deadlock Prevention Prevention is the name given to method that guarantee that deadlocks can never happen for the reason that the way the system is structured. Since 4 conditio
Determine a policy that is not a valid page replacement policy? RU policy (Recurrently used) is not a valid page replacement policy.
What are a safe state and an unsafe state? Answer: A state is safe if the system can allocate resources to every process in some order and still avoid a deadlock. A system is
What are the three main activities of an operating system in regard to memory management? Keep track of which parts of memory are now being used and by whom. Decide which pr
When you run a program on your UNIX system, the system prepares a special environment for that program. This environment owns everything needed for the system to execute the progra
Write a note on multithreading. Multithreading is the capability of an operating system to execute different parts of a program called as threads, at the same time. The program
what is meant by lazzy swapper
idle thread The special thread a dispatcher will run when no ready thread is found. The primary purpose of the idle process and its threads is to remove what would otherwise b
Q. Consider a calculating environment where a unique number is associated with each process and each object in the system. Suppose that we permit a process with number n to acce
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