Having defined and shown how sub programs work, this video looks at procedures in more detail, and includes what parameters are and how they are used in code.
Made for OCR GCSE Computer Science Paper 2 (J277).
Part of the 2.2 Programming fundamentals topic: https://youtube.com/playlist?list=PL04uZ7242_M4pymsi3eAJu-4lzRlNRFlv&feature=shared
Full Paper 2 playlist: https://youtube.com/playlist?list=PL04uZ7242_M4mI9S3BRTrkfAm3ifo-s53&feature=shared
This web app is great for testing your OCR ERL code: https://www.examreferencelanguage.co.uk/
0:00 Example 1
3:19 What parameters are
5:48 Example 2 (using parameters)