Slides, university classroom, lecture hall, wooden desks, chairs, blackboard, professor, male, middle-aged, glasses, beard, white shirt, blue tie, khaki pants, standing, pointing, computer organization and architecture diagram, CPU, ALU, registers, buses, memory hierarchy, von Neumann architecture, Harvard architecture, pipeline design, cache memory, multicore processor, GPU, motherboard, circuit boards, wires, microchips, digital clock, high-performance computing, optimized system design, 3D illustration, colorful diagrams, detailed labels, soft lighting, panoramic view, 4