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.
The U.S. President as Commander in Chief. Arguably, the most solemn role of the president is to serve as the leader of the U.S military. Under the president's direction, the United States can carry out retaliatory invasions, such as the invasion of Afghanistan in 2001.