What is an Operating System and what does it actually do inside a computer?br br In this video, I explain the Operating System (OS) in a simple, beginner-friendly way using a real-life example:br user → application → hardware, with YouTube as the application.br br This explanation is designed for:br br Computer Science studentsbr br BCA IT Engineering studentsbr br Beginners learning computer fundamentalsbr br Anyone revising OS basicsbr br Instead of only textbook definitions, the focus is on clear understanding of how an operating system works behind the scenes.br br 📌 This video is part of an Operating System learning series.