software
Self study resources
OCR Computing GCSE Unofficial Guide by Mark Clarkson. KS4 focussed but worth a read.
Resources for lectures or group study
Computer Hardware in Plain English - a short 3 minute video that looks at computer hardware. This video could also be used with a KS3 group.
Computer Software in Plain English - a short 3 minute video that looks at the basic purpose of what operating systems and program software is. This could also be used with a KS3 group.
Resources for use with pupils