Along with hardware, software is the other half of what makes computers run. In this easy-to-follow text, readers take a first look at software and the role it plays in the world of computing. They are introduced to relevant ideas and terminology with the help of a simple glossary and colorful photographs. The different types of software are introduced, including system and programming applications. Fast facts provide an additional layer for readers, while follow-up activities allow for extending learning off the page.