It uses a question-and-answer format to provide thoughtful answers to the many practical questions that students have about computing. Among the questions answered, the book explains:

• What capabilities computers have in helping people solve problems and what limitations need to be considered
• Why machines act the way they do
• What is involved in getting computers to interact with networks

The book offers a down-to-earth overview of fundamental computer fluency topics, from the basics of how a computer is organized and an overview of operating systems to a description of how the Internet works. The second edition describes new technological advances including social media applications and RSS feeds.