Computer architecture Block diagram of a basic computer with uniprocessor CPU. Black lines indicate data flow, whereas red lines indicate control flow. Arrows indicate the direction of flow. In computer engineering , computer architecture is a description of the structure of a computer system made from component parts. It can sometimes be a high-level description that ignores details of the implementation. At a more detailed level, the description may include the instruction set architecture design, microarchitecture design, logic design , and implementation . [3] History The first documented computer architecture was in the correspondence between Charles Babbage and Ada Lovelace , describing the analytical engine . When building the computer Z1 in 1936, Kon...