| Short for Arithmetic Logic Unit, ALU is one of the many components within a computer processor. The ALU performs mathematical, logical and decision operations in a computer and is the last processing performed by the processor. Once the necessary information by the ALU has been processed it is sent to the computer memory. In some computer processors the ALU is divided into two separate parts, the AU and the LU; in this case the AU performs the arithmetic operations and the LU performs the logical operations. Also see: Processor definitions, Von Neumann Architecture | |
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