(Choose 1 answer)
Five batch jobs A through E, arrive at a computer center at almost the same time. They have estimated running times of 8, 6, 2, 10, and 4 minutes. Their (externally determined) priorities are 3, 5, 2, 1, and 4,respectively, with 5 being the highest priority. Determine the average waiting time for Priority scheduling. Ignore process switching overhead.
A. 10,8 minutes
B. 12,8 minutes
C. 16,8 minutes
D. 54 minutes
Q: 45
