Exam 11: Memory Management and Page Replacement Strategies in Operating Systems

Anticipatory paging strategies that load a few of a process's contiguous pages when the process references a nonresident page exploit ________.

Why is a FIFO page-replacement strategy impractical for most systems?

According to temporal locality, processes are likely to reference pages that ________.

Linux uses a variation of the ________ algorithm to approximate an ________ page-replacement strategy.

Page-replacement strategies typically attempt to ________ the number of page faults a process experiences as it runs from start to finish, hopefully ________ the process's execution time.

According to the FIFO Anomaly (also called Belady's Anomaly) certain page reference patterns cause ________ page faults when the number of page frames allocated to a process is ________.

Virtual memory replacement strategies determine ________.

In today's systems, what is the "industry-standard" page size?

Thrashing is the term used to describe ________.

Under the PFF strategy, those pages that belong to a particular process and are currently in memory are referred to as the process's ________.

Under a not-used-recently (NUR) page-replacement strategy, the best page to replace (if available) is one that has ________.

Virtual memory fetch strategies determine when a page or segment should be moved from ________ to ________.

Which of the following reasons makes demand paging a desirable fetch policy?

Under the SEQ global replacement strategy, when looping behavior is detected, the _________ strategy is employed.

Which one of the following statements about Linux's page-replacement strategy is false?

LRU replaces the page that has spent the ________.

The least-frequently-used (LFU) page-replacement strategy can be implemented using ________.

The average interfault time ________ as the number of page frames allocated to a process ________.

Which of the following statements about page sizes is false?

The second-chance page-replacement strategy ________.