Practice Write Back Mechanism (22.1.6) - Summary of Memory Sub-system Organization
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Write Back Mechanism

Practice - Write Back Mechanism

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is virtual memory?

💡 Hint: Think about memory limitations and how they can be bypassed.

Question 2 Easy

What is the purpose of a dirty bit?

💡 Hint: Focus on modified or changed pages.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does virtual memory specifically allow?

A. Access only physical memory
B. Use more memory than exists physically
C. Increase disk space only

💡 Hint: Think about why we might need more memory when performing processes.

Question 2

True or False: The Write Back Mechanism writes all pages back to disk every time a page is replaced.

True
False

💡 Hint: Consider what happens with pages that remain unchanged.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Analyze how increasing page sizes can affect both hit and miss ratios in a TLB. Discuss potential trade-offs involved.

💡 Hint: Consider how large pages affect memory waste versus performance.

Challenge 2 Hard

Design an algorithm that would minimize thrashing in a multi-process environment. What factors must it consider?

💡 Hint: Focus on balancing memory allocation between competing processes.

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