$GTCH An ALU is a circuit that performs arithmetic and logical operations. In a way, the ALU is the “calculator” part within the computer and typically included within a CPU/GPU integrated circuit. The ALU is designed to calculate different operations and the entire computer system's speed depends on its capability to execute arithmetic and logic operations. With technology advancements over the years, ALUs have become more advanced and powerful to ensure complex operations and the entire system performance depends on it. Modern processing IC’s include multiple ALUs with a capability for applying multi-processing operations to increase their throughput.

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