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This text presents a broad, practical introduction to computers and computer technology. It uses a question and answer format to provide thoughtful answers to the many practical questions that students have about computing. The text offers a down-to-earth overview of fundamental computer fluency topics, from the basics of how a computer is organized to an overview of operating systems to a description of how the Internet works. The second edition includes new technological advances, new applications, examples from popular culture, and new research exercises.