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Also called FIFO anomaly. Usually, on increasing the number of frames allocated to a process virtual memory, the process execution is faster, because fewer page faults occur. Sometimes, the reverse happens, i.e., the execution time increases even when more frames are allocated to the process. This is Belady\'s Anomaly. This is true for certain page reference patterns.
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Which page replacement algorithm suffers from Belady's anomaly?
Belady's anomaly is a situation when (for a particular page replacement algorithm) on increasing the available no. of physical frames the PAGE FAULT also INCREASES. >>Generally the page fault should decline on increasing the number of frames. Belady even proved it with FIFO. So, optimal page replacement algo was developed =>it seeks into the future and replace those pages which won't be used for along time. As it is practically difficult to implement so the reverse is done ==>LRU(Look into the past for pages that are least recently used assuming that they will not be used in the future too.)
Impairment of a Signals Intelligence collection platform or an unexplained compromise of U.S. Intelligence Operations are examples of (Lesson 1 Foreign Intelligence Entities Page 10)?
Impairment of a Signals Intelligence collection platform or an unexplained compromise of U.S. Intelligence Operations are examples of
A foreign power activity or knowledge that is inconsistent with the expected norms that suggest prior foreign knowledge of U.S national security information processes or capabilities is defined as?
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anomaly
