Execution unit

Part of a CPU which performs the operations instructed by the program

In computer engineering, an execution unit is a part of a processing unit that performs the operations and calculations forwarded from the instruction unit. It may have its own internal control sequence unit, some registers, and other internal units such as an arithmetic logic unit, address generation unit, floating-point unit, load–store unit, branch execution unit or other smaller and more specific components, and can be tailored to support a certain datatype, such as integers or floating-points.

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