0 votes 0 votes I'm not getting how they did it..pls help Operating System operating-system + – Arnabi asked Nov 26, 2016 Arnabi 344 views answer comment Share Follow See 1 comment See all 1 1 comment reply Hradesh patel commented Nov 26, 2016 reply Follow Share here we take 3 frame and 4 distinct page number and given that all frame are intially empty so that take a senario that first first four no. is miss other remaining hits its lower bound case ........and upper bound here after first 3 miss then fourth miss after that those term u replace it will again come so here all 52 page no miss its upper bound . so answer is 4, 52 0 votes 0 votes Please log in or register to add a comment.
Best answer 0 votes 0 votes for lower bound consider the seq. 1 2 3 4 2 2 2 2 2 2.... for upper bound consider seq. 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4..... use FIFO repleacement policy You will get 4 page fault for first seq. and 52 page faults for second seq. Lokesh . answered Nov 27, 2016 • selected Nov 28, 2016 by Arnabi Lokesh . comment Share Follow See all 0 reply Please log in or register to add a comment.