Could anybody help me write a reason for each of these, please? (The reason to use boxes)

Need asap write a short paper describing the history and differences between six sigma, waterfall, agile, and scrum models. understanding these models can give you a good idea of how diverse and interesting it development projects can be. describe what the rationale for them is and describe their key features. describe the history behind their development. at least 400 words

Which factor is the most important when choosing a website host? whether customers will make secure transactions the number of email accounts provided the purpose of the website the quality of the host control panel

Effective character encoding requires standardized code. compatible browsers. common languages. identical operating systems.