Verify each identity

Primary tech skills are skills that are necessary for success in online education

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

Pl i need the answer now ! which one of the following is considered a peripheral? a software b mouse c usb connector d motherboard