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 armed forces is the President of Vietnam, through his post as Chairman of the Defense and Security Council, though this position is nominal and real power is assumed by the Central Military Commission of the Communist Party of Vietnam.