IGCSE Computer Science 0478: Functions and return values
Students learn to define functions with RETURNS and RETURN, call them inside expressions, avoid common mistakes, and choose between a procedure and a function.
One content description from the full IGCSE Computer Science 0478 — 8.1c Procedures and Functions journey. All 10 modules below are in that journey too, with the same content — add just these to a class, or the whole strand.
Modules (10)
1
Defining a function with no parameters
2
The RETURN statement
3
Defining a function with parameters
4
Choosing the return data type of a function
5
Calling a function inside an expression
6
Using a function call in OUTPUT
7
Storing a function result in a variable
8
Using a BOOLEAN function in a condition
9
Common mistakes when calling procedures and functions
10
Choosing a procedure or a function for a task
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