This Google Slides lesson offers a complete introduction to Operating Systems (OS) in Computer Science. It covers everything learners need to know about what an operating system is, its functions, types (like Windows, Mac OS, Linux), and why it is essential for computers and mobile devices. The lesson is designed to be beginner-friendly, interactive, and easy to follow, making complex concepts simple through clear explanations, diagrams, and real-world examples. ▧▧▧▧▧▧▧▧▧▧▧▧▧▧▧▧▧▧▧▧▧▧▧▧▧▧