All your revision should be informed by your LO tracker. Using this, you should be acutely aware of your own areas of relative strength and weakness from which to develop an effective revision strategy.
Videos
Craig'n'Dave CIE 0984 syllabus YouTube video playlist - 108 videos
MrBrownCS CIE IGCSE YouTube video playlist - paper 1
MrBrownCS CIE IGCSE YouTube video playlist - paper 2
Fetch-Decode-Execute revision video