The control unit controls the behavior of all computer systems, such as control of the main unit receives information display unit, ALU, and various data storage, so the work of this unit is the central nervous system that controls the operation of the various components of the computer by the control unit and the PC will recognize the commands, in the form of a command language. If the user is using a high level language programming. Before ordering the computer to work, it must be converted to language, lower level first. Cache memory is the small memory that is within the CPU. Also called a level 2 memory usually has a size of 512 KB. Stores the property data to be processed, and the data processing and wait for the exports make the CPU faster. Part of memory that stores the data property acting outside of the CPU, memory level. 3.
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