Includes bibliographical references and index.

Many of today's communications travel over networks. Networks connect people all over the world through computers and mobile devices, but how does it work? Young learners will discover how an email works, how computers talk to one another, and how documents and programs are stored in the cloud. Readers will also learn about network safety and how to protect themselves from hackers and viruses. Easy-to-read infographics and simple language make this complex topic fun and easy to understand. Give your budding computer engineers the perfect guide to the matrix of our lives.