Suppose your computer has 512MB of memory. The loaded size of the operating system is 128MB. Now you have 100 programs to run and each of them would take 128MB memory. With an average 70% of I/O wait, what is the current CPU utilization? Minimum, how many of 512MB blocks of memory will you add to your computer to have the CPU utilization just exceeding 98%? Show the calculations in detail.

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