Practice Direct Mapped Cache Organization (3.1) - Direct Mapped Cache Organization

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10 questions

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6 sample questions

Question 1.
What is the purpose of the tag in a cache?
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Think about how the cache verifies data.
Question 2.
Define what a cache hit is.
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What happens if the requested data is in the cache?
3Question 3.
What does the index in a cache address do?
- Identifies the word
- Identifies the block
- Identifies the cache line
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Think about what part of the address directs data location.
4Question 4.
A cache hit occurs when?
- True
- False
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Is cache hit about finding or not finding data?
Question 5.
Consider a small cache with 4 lines. If addresses A, B, C, and D map to the same line, how does this affect cache performance?
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How does mapping multiple addresses to the same line impact retrieval efficiency?
Question 6.
Given a cache with 16 lines and a block size of 4 words, how would you calculate the total number of bits necessary to address it?
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Consider how each part of the address contributes to the total memory size.

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