Computer Science GCSE
Function
What Function means in Computer Science GCSE, as defined for Pearson Edexcel.
Definition of Function
Check what you remember
Read the wording for your board, then hide it and explain Function in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
A subprogram that must return a value to the caller, so its call can be used inside an expression.
Topics that use Function
- Subprograms (Pearson Edexcel GCSE)
Related terms
- Appropriate design using parameters and return values
- Global versus local access
- Library subprogram
- Scope of variables
- Arguments
- Built-in subprogram
- Lifetime of local variables
- Parameters
Using Function in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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