Arithmetic Logic Unit ( ALU )

What Is Arithmetic Logic Unit ?

What Is ALU In Computer Architecture ?

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The arithmetic logic unit is commonly abbreviated as ALU in the computer architecture.
The ALU is an internal component of the, microprocessor architecture.
The microprocessor components can be basically grouped into, three functional units.
These three functional units of the CPU are first, the control unit, second, the arithmetic logic unit and third the memory unit.
The arithmetic logic unit is a crucial component of the, central processing unit CPU.
The ALU is said to be the mathematical brain of the microprocessor.
In simple words, the control unit decodes the program instructions and the arithmetic logic unit performs the desired operations.
The arithmetic logic unit essentially performs both arithmetic operations and the logic operations necessary to operate on the data.
The arithmetic operations performed by the arithmetic logic unit includes, all the mathematical calculations such as addition, subtraction, division, and other such arithmetic functions.
Whereas, the logical operations of the ALU include, all the logical functions, such as greater than less than comparison equal to bit shifting operations and the comparison operation.

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