What is the u. s. federal government standard for digital signatures?

Asoftware program that includes tools for entering, editing, and formatting text and graphics is called a word processing program. true or false?

Communication is the exchange of information. true false

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