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 $$10$$ $$MB.$$
The smallest cache size required to ensure an average read latency of less than $$6$$ $$ms$$ is _________ $$MB.$$
Your input ____
2
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?
3
GATE CSE 2014 Set 2
Numerical
+2
-0
Consider a main memory system that consists of 8 memory modules attached to the system bus, which is one word wide. When a write request is made, the bus is occupied for $$100$$ nanoseconds ($$ns$$) by the data, address, and control signals. During the same $$100$$ $$ns$$, and for $$500$$ $$ns$$ thereafter, the addressed memory module executes one cycle accepting and storing the data. The (internal) operation of different memory modules may overlap in time, but only one request can be on the bus at any time. The maximum number of stores (of one word each) that can be initiated in $$1$$ millisecond is ____________.
Your input ____
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?
Questions Asked from Memory Interfacing (Marks 2)
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