Craig 'n' Dave knowledge video index

About us

Craig Sargent and David Hillyard aka Craig 'n' Dave are two former classroom teachers. Both with a degree in computer science, experience working in the computing industry, and a combined 40 years teaching in comprehensive and grammar secondary schools in England with excellent results. Our aim is to help you prepare for your computer science exams! You can be sure that these videos are exactly what you need to know.

We have a video to teach you EVERY bullet point of your course specification. There are not generic teaching videos. Each one EXACTLY matches the requirements of YOUR course.

Video index



Cambridge IGCSE


Pearson Edexcel GCSE




AQA A level


OCR A level


Exam Technique

Watch our short video series to understand how to better answer exam questions with command words.


Some of the videos refer to files such as computational cheat sheets as handy reference guides.

You can download these for free.