CNNs The Story Behind QWERTY discusses the origins of the QWERTY keyboard and why it is still the requirement on computer system keyboards today..

Thinking back to my middle school typing class (done on electric typewriters, not computers) I remember wondering why the keyboard wasnt set up in alphabetical order. I was just recently reminded of that when my five-year-old asked me the exact same concern. I knew that the response was connected to the frequency of usage of particular letters and likewise the early constraints of typewriter keyboard setups. To get a much better response I turned to YouTube where I knew I had seen a video on the subject not that long back..