1.Evolving Software Software:A set of items or objects including Instructions Data structrures Documents AND MORE Software is developed or engineered,not manufactured. increased failure rate due to side effects Thereare no Failure softwarespare parts Infant ⑧ rate mortality change ailure cure r hardware actual curve idealized curve Time Slide 1.5 5/21 1. Evolving Software Software: A set of items or objects including – Instructions – Data structrures – Documents – AND MORE Software is developed or engineered, not manufactured