Control unit, digital circuit, microprocessor, CPU, computer chip, motherboard, wires, circuits, binary code, 1s and 0s, arithmetic logic unit (ALU), registers, control signals, clock pulses, instruction decoder, opcode, operand, fetch execute cycle, pipeline architecture, RISC or CISC, branch prediction, cache memory, von Neumann architecture, Harvard architecture, motherboard components, capacitors, resistors, integrated circuits, metallic texture, electronic laboratory, workbench, soldering iron, blueprints, diagrams, 3D composition, detailed lighting, futuristic ambiance.