Which of the following reasons makes demand paging a desirable fetch policy?
A) Demand paging improves performance for processes with predictable memory-access patterns.
B) Demand paging guarantees that the system brings into main memory only those pages that processes actually need.
C) Demand paging improves performance by preloading pages that are likely to be needed in the future.
D) all of the above

Question

Quizplus · Accepted Answer

Demand paging is desirable because it loads pages into memory only when they are needed, which can reduce memory usage and improve efficiency by avoiding loading unnecessary pages.

Which of the Following Reasons Makes Demand Paging a Desirable