| Subject | English | Thesaurus |
| IT, abbr. | Arithmetic and Logic Circuits | ALC (IC) |
| abbr., file.ext. | Arithmetic and Logic Circuits | ALC |
| IT, abbr. | Arithmetic and Logic Unit | ALU (CPU) |
| abbr., scottish | Arithmetic Computation Module | ACM |
| abbr., astronaut., mil. | Arithmetic Logic Unit | ALU |
| IT | arithmetic logic unit | The area of the central processing unit (CPU) that performs mathematical and analytical operations |
| abbr., scottish | Arithmetic & Logic Unit | ALU |
| abbr., file.ext. | Register Arithmetic Logic Unit | RALU |
| univer., abbr. | Students Teaching Arithmetic And Reading | STAR |