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GATE | GATE CS 2010 | Question 48
A computer system has an L1 cache, an L2 cache, and a main memory unit connected as shown below. The block size in L1 cache is 4 words. The block size in L2 cache is 16 words. The memory access times are 2 nanoseconds. 20 nanoseconds and 200 nanoseconds for L1 cache, L2 cache and main memory unit respectively.
When there is a miss in L1 cache and a hit in L2 cache, a block is transferred from L2 cache to L1 cache. What is the time taken for this transfer?
![CSE_201048]("http://www.geeksforgeeks.org/wp-content/uploads/gq/2013/12/CSE_201048.gif")
When there is a miss in L1 cache and a hit in L2 cache, a block is transferred from L2 cache to L1 cache. What is the time taken for this transfer?(A)
2 nanoseconds
(B)
20 nanoseconds
(C)
22 nanoseconds
(D)
88 nanoseconds
Answer
Please comment below if you find anything wrong in the above post
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