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Question Two ( 1 Mark ) Learning Outcome(s): L01 Instructors: Outline concepts such as inheritance, polymorphism and reusability with special emphasis on object oriented programming When formal development processes were first established in the early 1970s, software engineers had a very simple visual model of these phases. They assumed that one phase would run to completion, its output would spill over to the next phase, and the next phase would begin. This model is called the waterfall model of software development. In your own words, write any five disadvantages of using this model