disscussion reply to each maximum 75 to 100 words, need in 3 hours

1:When building a house, a structured, modular approach is better than a haphazard approach. How does a structured approach relate to developing programs? Why is using an organized approach important? Explain.

2:Why do you think the requirements analysis process is so difficult? Describe two things you can do to overcome these difficulties.

3:What are the three components that make up the basic structure of most computer programs?