An auxiliary processor used exclusively for time-consuming tasks ( such as floating point arithmetic ) to free the central processing unit and cause more rapidexecution. In some systems, this type of processor emulates a different computer.

• 一种辅助处理器,专门负责处理费时的任务,如浮点运算,从而把中央处理机解脱出来,获得更快的执行速度。在某些系统中,这种处理器可以仿真另一台计算机的功能。