variants:
or less commonly arithmetic and logic unit
Definition of arithmetic logic unit
computing
: a circuit in a computer's central processing unit that performs basic mathematical calculations
… the core of a central processing chip is the arithmetic logic unit or units. These units do basic operations like addition, multiplication and division. — New York Times, 23 July 1998
—abbreviation ALU
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Time Traveler for arithmetic logic unit
The first known use of arithmetic logic unit was in 1972
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