ADM 2337 Chapter Notes - Chapter 5: Computer Data Storage, Information Technology Management, Auxiliary Memory
Document Summary
Central processing unit- manipulates data into a more useful form and controls the other parts of the computer system. Primary storage- temporarily stores data and program instructions. Secondary storage devices- store data and programs even when the computer is not turned on. Input devices- convert data and instructions into electronic form for input into the computer. Output devices- convert electronic data produced by the computer system and display them in a form that people can understand. Communications devices- provide connections between the computer and communications networks. Bit- binary digit that represents either 0 or 1: digital computers operate directly with binary digits, either singly or strung together to form bytes. It stores all or part of the software program that is being executed. Operating system programs that manage the operation of the computer: operating system manages the interface between the computer hardware, software, and the end user.
