CAMBRIDGE IGCSE Topic 7 Validation
About this video
CAMBRIDGE 0478 & 0984 Specification Reference
Section 7 - 5a
Don't forget, whenever the orange note icon appears in the corner of the screen, that is your cue to take notes about the content being shown on the current slide.
00:00 Validation
00:05 Intro
00:10 Input validation
00:36 Type check
01:14 Range check
01:44 Presence check
02:32 Format check
03:14 Length check
03:58 Check digits
04:33 Summary
04:40 Outro
Last updated: 28.05.25
