Question: (a) In a multiprogrammed environment with 16MB of memory where all processes require 1MB of unshared memory and spend 60% of their time in I/O

(a) In a multiprogrammed environment with 16MB of memory where all processes require 1MB of unshared memory and spend 60% of their time in I/O wait, calculate how much memory will remain unused when approximately 99% CPU utilization is achieved. (b) In the same multiprogrammed environment, if each process now requires 3MB of unshared memory, calculate the maximum achievable CPU utilization. Show all your working.

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