A whistle-stop tour of how computers work, from how silicon is used to make computer chips, perform arithmetic to how programs run and computer graphics are displayed. Contents: 00:00 - Introduction 00:55 - Transistors 08:05 - Logic gates 11:34 - Binary numbers 16:55 - Memory and clock 24:56 - Instructions 29:30 - Loops 33:55 - Input and output 41:28 - Conclusion **----** Further watching if you are interested Computerphile has many great videos, such as this in-depth look at floating point numbers: https://www.youtube.com/watch?v=PZRI1IfStY0 For many in-depth computer subjects I highly recommend Brian Will's channel: null Particularly his videos on graphics: https://www.youtube.com/watch?v=bfvmPa9eWew