REQUEST ORDER FOR TRACKS 44, 35, 50, 12, 88, 100, 93, 70, 120 track number 100 125 150 175 199 25 D E C B Time A F G 12 1. Refer to disk track figure on the upper right corner. 2. Arrange the request on the disk track from A to I. (2 marks) 3. With current read location at track 90. Fill in the access graph above according to the following scheme: (8 marks) a) SSTF b) SCAN H