**Harvard Architecture** Computer interior, futuristic lab, Harvard architecture, CPU, memory, separate bus, parallel processing, high-performance computing, metallic motherboard, intricate circuits, wires, microchips, LED lights, sleek design, modern aesthetic, cutting-edge technology, 3D rendering, detailed textures, realistic lighting, shallow depth of field. **Von Neumann Architecture** Retro computer room, vintage lab, Von Neumann architecture, CPU, memory, shared bus, serial processing, stored-program concept, wooden desk, old-fashioned keyboard, bulky monitor, vacuum tubes, wires, mechanical parts, nostalgic ambiance, warm lighting, soft focus, cinematic composition.