1
GATE CSE 2016 Set 2
Numerical
+2
-0
A file system uses an in-memory cache to cache disk blocks. The miss rate of the cache is shown in the figure. The latency to read a block from the cache is $$1$$ $$ms$$ and to read a block from the disk is $$10$$ $$ms.$$ Assume that the cost of checking whether a block exists in the cache is negligible. Available cache sizes are in multiples of $$10$$ $$MB.$$ GATE CSE 2016 Set 2 Computer Organization - Memory Interfacing Question 12 English

The smallest cache size required to ensure an average read latency of less than $$6$$ $$ms$$ is _________ $$MB.$$

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2
GATE CSE 2014 Set 2
Numerical
+2
-0
A $$4$$-way set-associative cache memory unit with a capacity of $$16KB$$ is built using a block size of $$8$$ words. The word length is $$32$$ bits. The size of the physical address space is $$4$$ $$GB.$$ The number of bit for the TAG field is ____________.
Your input ____
3
GATE CSE 2014 Set 2
MCQ (Single Correct Answer)
+2
-0.6
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?
A
A smaller block size implies better spatial locality
B
A smaller block size implies a smaller cache tag and hence lower cache tag overhead
C
A smaller block size implies a larger cache tag and hence lower cache hit time
D
A smaller block size incurs a lower cache miss penalty
4
GATE CSE 2014 Set 2
MCQ (Single Correct Answer)
+2
-0.6
If the associativity of a processor cache is doubled while keeping the capacity and block size unchanged, which one of the following is guaranteed to be NOT affected?
A
Width of tag comparator
B
Width of set index decoder
C
Width of way selection multiplexor
D
Width of processor to main memory data bus
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