Computer Science for IGCSE & O level - Programming (Section 4 - No. 26)

In the context of programming, what does 'modularity' refer to?

The size of the program.

The use of loops in a program.

Breaking down a program into smaller, self-contained, and reusable modules.

The speed at which a program runs.

Modularity promotes code organization, reusability, and maintainability by breaking down a large problem into smaller, manageable units (modules).