what is the function of the following, keyboard, pointing device, document reading and scanning in a computer​

Digital information is stored using a series of ones and zeros. computers are digital machines because they can only read information as on or off –1 or 0. this method of computation is known as the system

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

Me ! evelyn is a manager in a retail unit. she wants to prepare a report on the projected profit for the next year. which function can she use? a. pmt b. round c. division d. what-if analysis