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 Commander-in-Chief of the United States military is the President of the United States. This is pursuant to Article II, Section 2, Clause I of the Constitution which states that . The President shall be Commander in Chief of the Army and Navy of the United States, and of the Militia of the several States.... the US President. President Barack Obama.