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Discussion Forum Unit 1 Hi Class, 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: l think that hardware is easier to troubleshoot and fix. It is also more intuitive and easily appeals to common sense and experience.Building an aircraft or a bridge is a series of actions that are immediately produce something that can be seen and improved as we go. It is easier to locate problems and fix them. There is a technique that is universal and consistent.

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