100, 120, 60, 90, 110, 45, 30, 70, 60, 50, 40, 25, 65, 25, 55, 35, 45, 60, 75, 30, 120, 100, 60, 90, 85 sectors. If, after operating systems are installed, a disk can store up to 480 sectors, determine the number of disks needed to store the utilities if each of these heuristics is used to pack the disk with files. (please show all the contents inside each bin respectively)
Next Fit (1 mark)
Next Fit Decreasing (1 mark)
First Fit Decreasing (1 mark)