Paper 2 · Computer system architecture
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
