Practice Cache Replacement Policies (6.5) - Cache Memory and Its Impact on System Performance
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Cache Replacement Policies

Practice - Cache Replacement Policies

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does LRU stand for?

💡 Hint: Think about which block gets replaced based on access.

Question 2 Easy

Which policy replaces the oldest block?

💡 Hint: Consider the order in which blocks are loaded.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary goal of cache replacement policies?

To increase the speed of all cache operations
To determine which cache block to replace
To reduce cache size
To manage power consumption

💡 Hint: Consider why we need strategies when cache is full.

Question 2

True or False: LRU always outperforms FIFO.

True
False

💡 Hint: Think about different scenarios and access patterns.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A cache implements both LRU and FIFO. Given the access order of blocks A, B, C, A, B, D, which blocks would be replaced using each policy when adding E?

💡 Hint: Think about usage frequency versus load order.

Challenge 2 Hard

A random replacement policy has just evicted block B from a busy cache. If block C is accessed next, what factors might influence whether B is evicted again or not?

💡 Hint: Focus on how random mechanisms contrast structured strategies.

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Reference links

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