Question 1 [20 marks]. In the following timing, ex, iy, and oz represent execution, input, and output operations of process P1; and Ex, Iy, Oz represent execution, input, and output operations of process P2. With respect to this timing explain: A. How the advantage of multi-tasking in term of CPU utilization is shown? B. How can we increase the CPU utilization?

0 59 . 3 2 E do Eo CPU 02_ Input _9 . 03_ _02 Output 0 59 . 3 2 E do Eo CPU 02_ Input _9 . 03_ _02 Output