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In the context of memory management, what are placement and replacement algorithms?

April 26, 2017algorithms context Management memory placement replacement

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In the context of memory management, what are placement and replacement algorithms?

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Placement algorithms determine where in available real-memory to load a program. Common methods are first-fit, next-fit, best-fit. Replacement algorithms are used when memory is full, and one process (or part of a process) needs to be swapped out to accommodate a new program. The replacement algorithm determines which are the partitions to be swapped out.