Question: COMPUTER ARCHITECTURE Memory operations currently take 30% of execution time. A new widget called a cache speeds up 80% memory operations by a factor of

COMPUTER ARCHITECTURE

Memory operations currently take 30% of execution time. A new widget called a cache speeds up 80% memory operations by a factor of 4. A second new widget called an L2 cache speeds up 1/2 of the remaining 20% by a factor of 2. What is the total speed up?

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