Differentiate between least frequently used and most frequently used page replacement algorithms. (4 marks)DICT MOD 1 July 2020
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Differentiate between least frequently used and most frequently used page replacement algorithms. (4 marks)DICT MOD 1 July 2020
Least Frequently Used (LFU) is a page replacement algorithm that aims to minimize the number of page faults by selecting the page that has been used the least number of times for replacement. The idea is that pages that are used infrequently are less important and can be replaced without causing too much disruption to the system.
Most Frequently Used (MFU) is a page replacement algorithm that aims to maximize the number of page hits by selecting the page that has been used the most number of times for replacement. The idea is that pages that are used frequently are more important and should be kept in memory for as long as possible.