To save silicon, RAM is built to forget. Dr Steve Bagley explains how dynamic memory saves on space but at a cost.
Computer Memory Playlist: https://www.youtube.com/playlist?list=PLzH6n4zXuckoxFPyhsMOYMGqyZOeN2SDJ
How Autofocus Works: https://youtu.be/B-TOUPXytw4
Why CPUs have Caches: https://youtu.be/6JpLD3PUAZk
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This video was filmed and edited by Sean Riley.
Computer Science at the University of Nottingham: https://bit.ly/nottscomputer
Computerphile is a sister project to Brady Haran’s Numberphile. More at http://www.bradyharan.com