Sometimes you need to repair, improve or elevate a computer system in order to avoid failure. Knowing what generally causes failure will help with this mission. Given in the chart are causes why a system might fail according to the system engineers. 100% E :s 30% E .E g E cr .5 60% E w LI. g g l '5 cu 409i. 2 '5 :I = 5 LI. 20%. U 01:. Hard Drive Processor ALU Processor CU RAM Chip Bad Code Other Motherboa