Question: A program execution time is divided into 20% 1/0 operations, 40% memory operations, and 40% ALU instructions. A new graphics card reduces the time for

A program execution time is divided into 20% 1/0 operations, 40%

A program execution time is divided into 20% 1/0 operations, 40% memory operations, and 40% ALU instructions. A new graphics card reduces the time for the I/O operations from 4 usec to 3 used, and a new cache design improves the time for memory operations by a factor of 4. The new execution time is x% of the old time, what is X

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