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GATE 2025 · CS2 - Afternoon
Operating SystemsMemory Management and Virtual MemoryhardMSQ2 marks
Consider a demand paging system with three frames, and the following page reference string: 1 2 3 4 5 4 1 6 4 5 1 3 2. The *-marked references cause page replacements: 1* 2* 3* 4* 5* 4 1 6* 4 5 1* 3* 2*. Which one or more of the following could be the page replacement policy/policies in use?

Select every correct option.

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