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.
âCommander In Chiefâ is a term commonly used for the president of the United States. But itâs only one of several titles conferred on the nation's chief executive. Commander In Chief refers to the presidentâs duties as head of the U.S. armed forces: the Air Force, Army, Navy and Marines. The U.S. Constitution establishes this power for the president. The Department of Defense is one of 15 executive departments that comprise the presidentâs cabinet.