Negative Binary Numbers - you may have heard of 'signed' numbers, but do you know how they work? Professor Brailsford explains not just how, but why we use the systems we do.

Binary Addition:    • Binary Addition & Overflow - Computer...  
Most Difficult Program to Compute?:    • The Most Difficult Program to Compute...  
Floating Point Numbers:    • Floating Point Numbers - Computerphile  

  / computerphile  
  / 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