Computer Science for IGCSE & O level - Programming (Section 1 - No. 12)

What is a benefit of breaking down a complex problem into smaller sub-problems in programming?

Makes the code easier to understand and debug.

Allows different parts of the program to be tested separately.

Improves code reusability.

Reduces the overall code size.

Breaking down a problem is beneficial for all the listed reasons. It simplifies testing, debugging, and reuse.