121. OCR A Level (H046-H446) SLR19 – 2.1 Determining preconditions


About this video

OCR Specification Reference
AS Level 2.1.2b
A Level 2.1.2b

This is one of a series of four videos looking at the computational thinking strand of "Thinking Ahead". In this video we discuss how you go about determining the preconditions for devising a solution to a problem.

Key question:

- What do we mean when we say it is important to determine preconditions before devising a solution to a problem?

00:00 Determining preconditions
00:12 Intro
00:17 What do we mean by preconditions?
00:45 Preconditions - Scenario 1
01:41 Scenario 2
02:47 Key question
03:00 Computational thinking cheat sheet
03:42 Outro

Last updated: 24.07.26