discussion1 software.docx - A passenger aircraft is...

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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 ? rst 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 di ? erences between developing an aircraft, a bridge, and a word processor that would cause this situation. Reply An aircraft with several million parts and a four-lane highway bridge are unimaginably complex. However, unlike aircrafts and bridges, software is intangible and hard to visualize, making it the most complex artifact. A large software product comprises of so many bits and pieces such that each and every one having a designated task (Marsic, 2012}. One ? ipped bit can jeopardize the entire course of a program.

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