Post-lab Questions 4.1
1. a) One way that JavaScript and HTML are similar is that you can write code
      in both and have the actions presented before you.
   b) One way they differ is by how they present the code.
2. A television has a input that allows you to change the channel and a
   output that shows you what channel you are on. A cd player as a input
   for playing music, stopping music, and skipping foward or back and a
   output of music.
3. The first only had a output of saying your name or hello. The currency
   converter had a input that allowed you to put in the amount you wanted
   converted and a output that showed you the converted amount