Discussion Forum Unit 1Hi 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 firstversion 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 developingan 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. Itis easier to locate problems and fix them. There is a technique that is universal and consistent.