Discussion unit 2.docx - A passenger aircraft is composed...

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A passenger aircraft is composed of several millions of parts and requires thousands of persons to assemble. A four-lane highway bridge is another example of complexity. The first version of Word for Windows, a word processor released by Microsoft in 1989, required 55 person-years, resulted into 249,000 lines of source code, and was delivered 4 years late. Aircraft and highway bridges are usually delivered on time and within budget, whereas software is often not. Discuss what are, in your opinion, the differences between developing an aircraft, a bridge, and a word processor that would cause this situation. Answer The answer can be given in the context that although software development is a complex issue but it is not the only issue that requres a lot of planning. There are many other complex field requiring same level of planning and input. The answer could include the followings. 1. The bridges are developed based on the previous information about design, cost and

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