Practice Locality Of Reference (3.6.1) - Direct Mapped Cache Organization

Practice: Locality of Reference

Lesson 3.6.1Direct Mapped Cache Organization

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10 questions

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3 cards from this section. Quick, good the night before a test.
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Quiz
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6 sample questions

Question 1.
What are the three parts of a memory address in a direct mapped cache?
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Think about how memory addresses need to be structured for cache access.
Question 2.
What happens during a cache hit?
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Consider the benefits of having essential information ready.
3Question 3.
What does a cache hit indicate?
- Data is not present in the cache
- Data is present in the cache
- Data retrieval is slow
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Think about why we use cache memory at all.
4Question 4.
True or False: A cache miss means the data must be fetched from the cache.
- True
- False
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Consider the definition of a miss.
Question 5.
Design a direct mapped cache with at least 8 cache lines. Explain how you would handle accessing elements from an array and how locality of reference would impact performance.
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Consider how array access patterns are often sequential.
Question 6.
Explain the effects of increasing the size of cache memory on the miss rates. Provide a formula or reasoning to support your explanation.
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Reflect on how more cache lines can hold more frequently accessed data.

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