GATE CSE · 2020 · CS
Question 21: Computer Organization and Architecture
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Question 21
CSNAT1 markNeeds review
A direct mapped cache memory of 1 MB has a block size of 256 bytes. The cache has an access time of 3 ns and a hit rate of 94%. During a cache miss, it takes 20 ns to bring the first word of a block from the main memory, while each subsequent word takes 5 ns. The word size is 64 bits. The average memory access time in ns (round off to 1 decimal place) is ________.
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2020CS
GATE CSE 2020 · Paper 1
Computer Science and Information Technology · Original paper archive
- Section
- Computer Science and Information Technology
- Question type
- Numerical answer (NAT)
- Marks
- 1 mark
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