Practice Priority Based Allocation (20.4.4) - Belady's Anomaly - Computer Organisation and Architecture - Vol 3
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Priority Based Allocation

Practice - Priority Based Allocation

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does Belady's anomaly demonstrate?

💡 Hint: Think about frame counts.

Question 2 Easy

Define a page fault.

💡 Hint: Consider missed pages.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is Belady's Anomaly?

A decrease in page faults with more frames
An increase in page faults with more frames
An irrelevant phenomenon

💡 Hint: Focus on the relationship between frames and faults.

Question 2

LRU stands for?

Least Recently Used
Last Remaining Utility
Latest Random Update

💡 Hint: Think about replacing what hasn't been used lately.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

You have a reference string of pages: 7, 0, 1, 2, 0, 3, 0, 4, and a system with 3-page frames. Calculate the number of page faults using FIFO.

💡 Hint: Remember how FIFO moves the oldest frame out.

Challenge 2 Hard

Analyze the efficiency of using Priority-based Allocation versus Fixed Allocation in a multi-process scenario with given process sizes.

💡 Hint: Think about the impact of priority on resource access.

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