**Computer Organization** cpu, motherboard, ram, gpu, pci express, bus structure, von neumann architecture, harvard architecture, instruction set architecture, microarchitecture, digital logic gates, flip flops, registers, arithmetic logic unit, control unit, datapath, multiprocessor system, symmetric multiprocessing, asymmetric multiprocessing, cache hierarchy, memory management unit, virtualization, cloud computing, datacenter, server room, futuristic laboratory, neon lights, circuits, wires. **Computer Architecture** cpu core, pipeline architecture, instruction level parallelism, thread level parallelism, superscalar execution, out of order execution, speculative execution, branch prediction, cache memory, main memory, memory wall, storage hierarchy, i/o devices, peripheral devices, bus controllers, bridges, switches, routers, network on chip, system on chip, 3d stacked architecture, photorealistic, futuristic, motherboard cityscape, circuit board patterns, neon lights.