Computer Science GCSE

Functions versus procedures

What Functions versus procedures means in Computer Science GCSE, as defined for OCR.

Definition of Functions versus procedures

Check what you remember

Read the wording for your board, then hide it and explain Functions versus procedures in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

Reference: OCR

A procedure performs an action and may display or update data without returning a value, whereas a function performs a calculation and returns a value to the caller.

OCR · Additional programming techniques (study guide)

Topics that use Functions versus procedures

Additional programming techniques (OCR GCSE)

Related terms

Using Functions versus procedures 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.

Practise Computer Science questions

Create a free account to answer exam-style questions on this topic and get feedback on your answers.

Start free

A week of Premium from your first lesson · Then the free plan continues · No card, no charge

All Computer Science GCSE terms