Substructures:

Question 1

What are the advantages of a sub-programme?

Answer 1

= Easier to read and debug.
= Easily be tested.
= Can be saved in libraries and reused i other programmes.

Question 2

What is a function?

Answer 2

= returns values and creates resuable programme components

Question 3

What are a procedure?

Answer 3

= Creates a modular structure to a programme and makes it easier to read.