Computer Science Principles 2020 edition

An introduction to the foundational concepts of computer science, written for AP Computer Science Principles. Units cover hardware, software, number systems and Boolean expressions; pixels and images; compressing data; storing data in spreadsheets and databases; protecting data with heuristics, security and encryption; the Internet; web design with HTML and CSS; programming in JavaScript; and the impact of computing, plus a vocabulary reference. The book is on the College Board's AP Computer Science Principles Example Textbook List.