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Computer organization and architecture miscellaneous

Computer Organization and Architecture

  1. In designing a computer’s cache system, the cache block (or cache line) size is an important parameter. Which one of the following statements is correct in this context?
    1. A smaller block size implies better spatial locality
    2. A smaller block size implies a smaller cache tag and hence lower cache tag overhead
    3. A smaller block size implies a larger cache tag and hence lower cache hit time
    4. A smaller block size incurs a lower cache miss penalty
Correct Option: D

A smaller cache block size accomodate more number of blocks, it improves hit ratio of cache, so the miss penalty is covered.



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