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.
In Poland, the President is Commander-in-Chief of the Polish Armed Forces. However, the art. 134 ust. 4 of the constitution states: The President of the Republic, for a period of war, shall appoint the Commander-in-Chief of the Armed Forces on request of the Prime Minister.