In Demand Paging Allocation Scheme, Page Map Table contains info to determine if the page contents have been modified or not. Why? Select one: a. To show which pages are most active/inactive b. To determine which pages should remain in main memory and which should be swapped. c. To determine whether it need to be rewritten to secondary storage or not. d. To delete unnecessary pages.

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter3: Data Representation
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Problem 13RQ: How is an array stored in main memory? How is a linked list stored in main memory? What are their...
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In Demand Paging Allocation Scheme,  Page Map Table contains info to determine if the page contents have been modified or not. Why?

Select one:
a. To show which pages are most active/inactive
b.
To determine which pages should remain in main memory and which should be swapped.
c. To determine whether it need to be rewritten to secondary storage or not.
d. To delete unnecessary pages.
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