GATE CSE · 2025 · CS
Question 47: Operating System
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Question 47
CSMSQ2 marksNeeds review
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 contents of the frames are as follows initially and after each reference (from left to right):
initial | after |
|---|---|
- | 1* 2* 3* 4* 5* 4 1 6* 4 5 1* 3* 2* |
- | 1 1 1 1 1 1 1 6 6 6 6 6 2 |
- | - 2 2 4 4 4 4 4 4 4 4 1 1 |
- | - - 3 3 5 5 5 5 5 5 5 3 3 |
The *-marked references cause page replacements.
Which one or more of the following could be the page replacement policy/policies in use?
Your answerSelect all correct options. You can choose more than one.
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2025CS
GATE CSE 2025 · Paper 2
Computer Science and Information Technology · Original paper archive
- Section
- Computer Science and Information Technology
- Question type
- Multiple select (MSQ)
- Marks
- 2 marks
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