What Is an Arithmetic Logic Unit?

The arithmetic and logic unit (arithmetic and logic unit) is a combination logic circuit capable of implementing multiple sets of arithmetic operations and logic operations, referred to as ALU.

Arithmetic & logical Unit is

An arithmetic logic unit (ALU) is a structure that performs integer operations. At this stage, it is implemented by circuits.

ALU is used

A logical unit (LU) is a network port into the IBM System Network Architecture (SNA), through which users can access network resources, or one programmer can communicate with another programmer. ^[4]