The page-replacement policy means that pages are not placed to make more space. A. True B. False

The answer to this question is false.

This is due to the fact that the page-replacement policy helps to decide the pages of memory that needs to be paged out or swapped out.

This becomes necessary at a time when it is necessary for the allocation of a memory page.

It helps the operating system to know the memory space that can be moved out in order to know what space can be made available for the current page.

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B. False

Explanation:

A page-replacement policy can be defined as a set of algorithm that instructs the operating systems on what memory page is to be swapped, paged out or written to disk in order to allocate more memory as they're required by various active processes during virtual memory management.

Some of the algorithms or techniques used by the operating system for page-replacement policy are;

1. Last In First Out (LIFO).

2. First In First Out (FIFO).

3. Least Recently Used (LRU).

4. Least Frequently Used (LFU).

5. Optimal (OPT or MIN).

Hence, the page-replacement policy means that pages are placed to make more space and to minimize the total number of page that would be missing.

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