Computer hardware diagram, comparison illustration, von Neumann architecture, Harvard architecture, CPU, memory, bus, ALU, registers, fetch-decode-execute cycle, parallel processing, pipelining, instruction set, microarchitecture, digital circuitry, motherboard, integrated circuits, wires, transistors, diodes, capacitors, resistors, 3D isometric view, bright neon colors, futuristic ambiance, subtle grid background, detailed textures, realistic shading, cinematic lighting.