1 Data registers can hold numeric values such as integer and, in some architectures, floating-point values, as well as characters, small bit arrays and other data. 2  In some older and low end CPUs, a special data register, known as the accumulator, is used implicitly for many operations.
A commander-in-chief is the person or body that exercises supreme operational command and control of a nation's military forces or significant elements of those forces. In the latter case, the force element is those forces within a particular region, or associated by function.
For the honorific title of chivalric orders, see Commander (orders). For other uses, see Commander (disambiguation). Commander (French: Commandeur) is a common naval and air force officer rank. Commander is also used as a rank or title in other formal organisations, including several police forces. The literal meaning is he who commands, parallel to Commandant. In most senses, the German equivalent is Kommandeur.