Practice LFU (Least Frequently Used) - 6.2.4.1 | Module 6: Memory Management Strategies II - Virtual Memory | Operating Systems
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Academics
Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Professional Courses
Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβ€”perfect for learners of all ages.

games

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does LFU stand for?

πŸ’‘ Hint: Remember the context of memory management.

Question 2

Easy

What is the purpose of a reference count?

πŸ’‘ Hint: Think about how frequency influences page replacement.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does LFU stand for?

  • Least Frequently Used
  • Least Frequently Updated
  • Least Frequently Utilized

πŸ’‘ Hint: It’s a term related to memory management techniques.

Question 2

True or False: LFU checks the recency of a page's access before making a replacement decision.

  • True
  • False

πŸ’‘ Hint: Recall how LFU determines its page replacements.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

How would you implement the LFU algorithm to manage a cache of 10 pages? Outline the steps and considerations you need.

πŸ’‘ Hint: Think about mechanisms to maintain an accurate reflection of current usage patterns.

Question 2

Discuss the potential issues for LFU when running a variety of applications with fluctuating usage patterns. How might you mitigate these issues?

πŸ’‘ Hint: Consider how dynamic usage could affect the reference counts.

Challenge and get performance evaluation