This title takes an overall look at information technology; exploring how computers operate and the amazing devices that are used in homes, schools and businesses today. Find out how information technology and digital devices have developed from early machines the size of basketball courts, to the tiny silicon chips being produced today. This practical learning guide lays the groundwork for further exploration of computational thinking. 'Stretch Yourself' features give practical activities to help readers explore and test key principles. These 'try at home' examples help reinforce learning and are not linked to specific software or operating systems. 'True Story' features give real-world anecdotes from the world of information technology. 'Computer Hero' features look at the forerunners of digital technology that have paved the way for scientists today. A practical and much-needed resource for the KS1-2 computing curriculum exploring all aspects of computational thinking. The series breaks down this new curriculum subject into four titles covering key topics: computer science, algorithms & coding, applications & programs, and computer networks. Other titles in the series: Awesome Algorithms & Creative Coding, Amazing Applications & Perfect Programs, and Computer Networks.