Question: In which of the following Algorithm where the reference bit is used to determine whether a page has been recently referenced, and some page that has not been recently referenced is replaced?
Answer:
The reference bit of a page is initialized to 0 when the page is loaded, and it is set to 1 when page is referenced. it replaces a page whose reference bit is 0.When virtual memory manager finds that the reference bits of all pages have become 1, it reset the bits of all pages to 0 and arbitrarily selects one of the pages for replacement.
MCQ: In which of the following Algorithm where the reference bit is used to determine whether a page has been recently referenced, and some page that has not been recently referenced is replaced?
Explanation:
The reference bit of a page is initialized to 0 when the page is loaded, and it is set to 1 when page is referenced. it replaces a page whose reference bit is 0.When virtual memory manager finds that the reference bits of all pages have become 1, it reset the bits of all pages to 0 and arbitrarily selects one of the pages for replacement.
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