Given that main memory is composed ot only three page trames tor public use. and that a seven-page program (with pages a, b, c, d, e, t, g) requests pages in the tolowing order: a, b, c, b, d, a, e, t, b, e, d. answer the following questions. Using the FIFO page removal algorithm, indicate the movement of the pages into and out of the available page frames (called a page trace analysis), indicating each page fault with an asterisk (" ). I hen compute the failure ratio and success ratio. Using FIFO again, increase the size of memory so that it contains tour page frames tor public use. Using the same page requests as above, do another page trace analysis and compute the tailure and success ratios What general statement can you make trom this example? Explain your answer

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Hash Table

A hash table also called a hash map, is a data structure that maps key-value pairs. The hash table can be used in complex systems to provide fast access and compact storage. A hash table is a structure that stores data in an abstract data type kind of associative array. It keeps data in an array format, with a distinct index value for every data value. If the index of the required data is known, then the data can be accessed very easily.