## ALU vs CU

**Summary:** Difference Between **ALU and CU** is that arithmetic logic unit, another component of the processor, performs arithmetic, comparison, and other operations. While control unit is the component of the processor that directs and coordinates most of the operations in the computer.

### ALU

The arithmetic logic unit (**ALU**), another component of the processor, performs arithmetic, comparison, and other operations. Arithmetic operations include basic calculations such as addition, subtraction, multiplication, and division. Comparison operations involve comparing one data item with another to determine whether the first item is greater than, equal to, or less than the other item. Depending on the result of the comparison, different actions may occur.

### CU

The control unit is the **component of the processor** that directs and coordinates most of the operations in the computer. The control unit has a role much like a *traffic cop*: it interprets each instruction issued by a program and then initiates the appropriate action to carry out the instruction. *Types of internal components that the control unit directs include the arithmetic/logic unit and buses.*

**Also Read:**

Difference Between ALU and CPU

Difference Between ALU and FPU

Difference Between Processor and Ram

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