noun
Arithmetic and Logic Unit; ALU
Computing term for the part of a CPU that performs arithmetic and logical operations.
CPUは制御装置と演算処理ユニットから構成される。
A CPU consists of a control unit and an Arithmetic and Logic Unit.
CPU is the entire central processing unit, while 演算処理ユニット refers specifically to the arithmetic/logic subunit.
Compound of 演算 (calculation), 処理 (processing), and ユニット (unit), directly calquing the English 'Arithmetic and Logic Unit'.