What is the lower bound on the numeral of page faults, Operating System

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Q. Presume that you have a page-reference string for a process with m frames (initially all empty). The page-reference string has length p along with n distinct page numbers occur in it. Answer these questions for any of page replacement algorithms:

a. What is the lower bound on the numeral of page faults?

b. What is the upper bound on the numeral of page faults?

Answer:

a. n

b. p


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