Go inside the computer to uncover the inner workings of the CPU including the Control Unit, the ALU, registers and much more.
But How Do It Know website: http://www.buthowdoitknow.com/
See the 6502 CPU Simulation: http://visual6502.org/JSSim/index.html
For anyone annoyed by the breaths between speaking, try this unlisted version with edited audio: https://www.youtube.com/watch?v=IkdBs21HwF4
Download the PowerPoint file used to make the video: https://docs.google.com/file/d/0BzwHNpicSnW0cGVmX0c