Central processing unit, CPU, motherboard, circuit board, microprocessor, arithmetic logic unit, control unit, registers, cache memory, RAM, ROM, bus, input/output devices, keyboard, mouse, monitor, network interface card, power supply unit, cooling system, computer case, desktop, office setting, bright fluorescent lighting, soft shadows, detailed textures, metallic reflections, precise labeling, informative diagram, 3D visualization, isometric view, educational atmosphere.