Computer architecture diagram, abstract representation, layered structure, motherboard, CPU, GPU, RAM, ROM, buses, chipset, I/O devices, peripherals, abstraction levels, instruction set architecture, microarchitecture, system design, digital logic gates, binary code, programming language, compiler, assembler, multi-layered, 3D composition, futuristic ambient lighting, neon glow, circuit board pattern, metallic texture, detailed wiring, intricate connections.