Modern digital design, computer architecture online course, male professor, 40s, glasses, beard, white shirt, dark blue trousers, standing in front of a green screen, lecturing, pointing to diagrams, circuit boards, wires, microchips, CPUs, GPUs, motherboards, laptops, desktops, futuristic lab setting, bright fluorescent lighting, shallow depth of field, close-up shots, 3/4 composition, softbox lighting.