Practice Address Mapping (4.5.4) - Direct-mapped Caches: Misses, Writes and Performance
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Address Mapping

Practice - Address Mapping

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a cache hit?

💡 Hint: Think about what happens when data retrieval is fast.

Question 2 Easy

What does locality of reference refer to?

💡 Hint: Consider instances where you repeat tasks in programming.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What occurs when a requested data word is not found in cache?

True
False

💡 Hint: Think about the consequences of a failed search.

Question 2

A cache miss results in increased performance because data comes quickly from main memory.

True
False
Depends on the memory type

💡 Hint: Recall what we discussed about hits and misses.

3 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given an address with an 8-bit main memory, how many cache lines are required for a direct-mapped cache with 16 lines?

💡 Hint: Use the direct mapping logic to determine which parts of the address get used.

Challenge 2 Hard

How would performance change if we had more cache lines but kept the same block sizes?

💡 Hint: Think about how data retrieval improves with more available space.

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