This document provides an overview of the key concepts and topics covered in Chapter 1 of Discovering Computers 2012. It defines what a computer is, describes the five components of a computer, and discusses advantages and disadvantages of computer use. It also covers networks and the Internet, different categories of computer software, various types of computers including personal computers and mobile devices, elements of an information system, examples of computer usage, and applications of computers in society domains like education, finance, government and more. The objectives are to explain the importance of computer literacy and discuss these fundamental computer and technology concepts.