Paper 2 · November 2020 · Computer System Structure
In the standard block diagram of a computer system, name the component of the Central Processing Unit (CPU) that performs arithmetic and logical operations on data.
Model answer
ALU
Also accepted: Arithmetic Logic Unit, Arithmetic and Logic Unit
Explanation
The Arithmetic Logic Unit (ALU) is the CPU component that carries out arithmetic and logical operations, as shown in the standard block diagram of a computer system.
Derived from ZIMSEC Computer Science 4021/2 Paper 2, November 2020, Q1