123. OCR A Level (H046-H446) SLR19 – 2.1 Reusable components


About this video

OCR Specification Reference
AS Level 2.1.2c
A Level 2.1.2d

This is one of a series of four videos looking at the computational thinking strand of "Thinking Ahead". In this video we discuss the importance of reusable program components.

Key question:

- What do we mean by reusable program components and how can they save us time and effort?

00:00 Reusable components
00:10 Intro
00:15 Reusing code is a good thing
01:11 Subroutines - Procedures, functions and methods
01:49 Software libraries
02:19 Software libraries and routines
03:00 Using entire components across program suites
03:32 External reuse - Reselling a component to a third party
04:38 Key question
04:50 Computational thinking cheat sheet
05:33 Outro

Last updated: 24.07.26