CPU central processing unit to call another name for that processor (Processor) or chips (chip) is the most valuable equipment of hardware. Because the data for user input. Through the data entry device according to the algorithm, or programs, users must use the unit processing consists of 3 middle parts.1) arithmetic logic unit (Arithmetic & Logical Unit: ALU).The calculation logic function morphemes, such as addition, subtraction, multiplication, division, and another ability is the ability of logical science refers to the ability to compare conditional. And the mathematical rules to get out the answer that the conditions that are true or false.2) the control unit (Control Unit).Control, controlling sequence processing. The coordination with the input device, display device, and secondary memory.3. Main memory (Main Memory).A computer can only work when there is data. And the algorithm used in processing in main memory already. The results will be stored in main memory). And before I was carried off to show that the display device can be divided into 2 types.* memory for keep order (Program Memory).* memory for data and command (Data & Programming Memory).
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