Computer, CPU architecture, arithmetic logic unit, registers, cache memory, motherboard, circuit boards, wires, microprocessor, instruction set, Von Neumann architecture, Harvard architecture, RISC, CISC, pipelining, superscalar, multi-core, GPU, chipset, northbridge, southbridge, PCI Express, RAM, ROM, bus interface, clock speed, frequency, voltage regulator, heat sink, fan, computer case, office desk, keyboard, mouse, monitor, ergonomic chair, bright lighting, 3/4 composition, shallow depth of field, soft focus.