Just what happens when you hit a key on a computer's keyboard? Dr Steve Bagley takes us on the keypress' journey....

Watch Part 2 Now:    • How Software Deals with Key Presses -...  

Building the BBC Micro:    • Building the BBC Micro (The Beeb) - C...  
Choosing a Password:    • How to Choose a Password - Computerphile  

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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