can i get answers without using internet please or google for the question and i need a half page paragraph of each questions 

thank you 

1- Why is it important to use system analysis and design methodologies when building a system? Why not just build the system in whatever way appears to be “quick and easy”? What Value is provided by using an “engineering” approach ?

2- Explain how object-oriented analysis and design differs from the traditional approach. Why isn't RUP (Figure) represented as a cycle? is that good or bad? Explain your response?