Each BIT in memory doesn't have it's own unique wiring, they share connections - Dr 'Heartbleed' Bagley explains how we address them. Binary: Plusses & Minuses (Why We Use Two's Complement): https://www.youtube.com/watch?v=lKTsv6iVxV4 Flip Flops, Latches & Memory Details: https://www.youtube.com/watch?v=-Ecf7lb4aZ0 Domino Addition – Numberphile: https://www.youtube.com/watch?v=lNuPy-r1GuQ Computer Vision Playlist:    • Digital Images & Computer Vision   Memory Recall - COMING SOON Professor Steve Furber on the ARM chip: COMING SOON, Subscribe for Updates! Correction: In the graphic at 7min:30secs, a-0 & a-1 are incorrectly labelled a-1 & a-2 http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: http://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com/