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In this video tutorial, we explore operating systems as part of the OCR entry-level certificate in computer science. Key learning objectives include defining system software, proprietary software, and open source software. You will also identify various operating systems and categorize them appropriately. The video covers the basic functions of an operating system, such as memory management, hardware management, and management of the central processing unit (CPU) and memory. A recap of the previous lesson highlights the distinction between hardware, the physical components of a computer, and software, which consists of instructions that direct hardware operations. The lesson aims to build foundational knowledge on these concepts.