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central processing unit |
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central processing unit) The relationship between the three main areas of a computer's central processing unit. The arithmetic and logic unit (ALU) does the arithmetic, using the registers to store intermediate results, supervised by the control unit. Input and output circuits connect the ALU to external memory, input, and output devices. Older name for the main component of a computer, the part that executes individual program instructions and controls the operation of other parts. It is now known simply as the processor or, when contained on a single integrated circuit, microprocessor. |
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Adding capacity was a basic exercise of adding more central processing units, disk storage or random access memory, each of which had fairly predictable costs that could be allocated on a per user or per application basis and were often included in an information technology charge-back model. Now the bearings are part of wheel end modules that incorporate internal sensors capable of measuring loads and performance and feeding that information back to the central processing units of anti-lock braking systems. High-end products are such things as memory circuits and central processing units for personal computers. |
Central processing units
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