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 PLA is under the command of the Central Military Commission (CMC) of the CPC. Following the principle of civilian control of the military, the commander in chief is the Chairman of the Central Military Commission (usually the General Secretary of the Communist Party of China as well as Paramount leader).