10101000. 01010100 1020 Reliability: Natural System 101010 Natural system 0:1020100 life cycle 10:101000 Wear out 0..0.0-- Aging effect: Life g 010101o0 span of a natural 10101000 0:101010u system is limited 10:101000: by the maximum 01010100 010000 reproduction rate 010100 of the cells 10101000 010101000 10:101000 03010100 SZ CALGARY SENG521 (Fall 2002) far@enel. calgary. caSENG521 (Fall 2002) far@enel.ucalgary.ca 13 Reliability: Natural System ◼ Natural system life cycle. ◼ Aging effect: Life span of a natural system is limited by the maximum reproduction rate of the cells