GATE | CS | 2010 | COA | Cache memory | Question 48 (original) (raw)

• DSA
• Practice Problems
• C
• C++
• Java
• Python
• JavaScript
• Data Science
• Machine Learning
• Courses
• Linux
• DevOps

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?

Share your thoughts in the comments

GeeksforGeeks