this video aims to help you understand logic gates for computer science syllabus. In this video, the basics are taught and past paper questions are attempted for better understanding.
To check out the complete 0478 computer science syllabus click here:
https://www.youtube.com/watch?v=6YSmOrHUSUc&t=202s
computer science playlist(with past paper walkthroughs):
https://youtube.com/playlist?list=PLL824lXFgrJhrr7_HYVrql7P6tayFgYLl