Mainframe, futuristic laboratory, 4 main layers of computer architecture, input/output devices, arithmetic logic unit (ALU), control unit, memory hierarchy, cache memory, registers, CPU, motherboard, wires, circuits, microchips, metallic casing, LED indicators, blinking lights, dark blue background, neon accents, high-tech ambiance, futuristic atmosphere, 3/4 composition, low-angle shot, soft glow lighting.