This document provides an overview of computer basics, including definitions of key concepts like hardware, software, CPUs, RAM and the information processing cycle. It discusses the roles of hardware and software, types of computers, computer components, data storage, printers, and basic computer care, maintenance and ergonomics. The summary is: The document defines hardware as the physical parts of a computer and software as the programs and instructions. It explains that a CPU processes data using an arithmetic/logic unit and control unit. RAM is used for temporary storage while data is being processed. The information processing cycle involves input, processing, storage and output of data.