arithmetical unit

arithmetical unit

[¦a·rith¦med·ə·kəl ′yü·nət]
(computer science)
The section of the computer which carries out all arithmetic and logic operations. Also known as arithmetical element; arithmetic-logic unit (ALU); arithmetic section; logic-arithmetic unit; logic section.
References in periodicals archive ?
My main point of dispute, however, concerns Huffman's interpretation of the unity that results from limiters and unlimiteds, the one; contra Huffman, I still think [GREEK TEXT NOT REPRODUCIBLE IN ASCII] refers to the number, the arithmetical unit.
For example, he had independently stepped card mechanisms to control the passage of variables to and from the store and to control the mill, as he called his arithmetical unit.
If, by carrying out the same calculation on two different machines, the two sets of results differ, it is either because the two arithmetical units do not operate in a similar way, or because the two compilers analyze the expressions in a different way (these two conditions may exist simultaneously).