You have been studying processors. your instructor has asked you to prepare a lecture for introductory students learning about processors. you explain that when the alu performs calculations on data, it is part of the process in the machine cycle.

Commercial agriculture consists of raising food for trade and profit, while subsistence agriculture focuses on -- a. providing the basic needs of the farmer's family b. providing the basic needs of the neighboring communities c. creating more arable land for future use d. obtaining subsidies from governments and corporations