Cambridge O Level Computer Science · Syllabus 2210 · Hardware
Arithmetic Logic Unit
What is Arithmetic Logic Unit?
The unit within the CPU that performs arithmetic calculations such as addition and subtraction, logical operations such as AND, OR and NOT, and comparisons; its intermediate and final results are commonly placed in the accumulator.
This definition is part of the Hardware chapter in Cambridge O Level Computer Science.
Reviewed by Academiq Edu Instructor PanelLast reviewed Syllabus 2026-2028