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Suppose your computer has 512MB of memory. The loaded size of the operating system is 128MB. Now you have 50 programs to run and each

Suppose your computer has 512MB of memory. The loaded size of the operating system is 128MB. Now you have 50 programs to run and each of them would take 128MB memory. With an average 60% 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 99%? Show the calculations in detail.

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