/strong></td>
    <td>A temperature controlled switch. On when too cold. Off when too hot.</td>
  </tr>
  <tr valign="top"> 
    <td><strong>Token List </strong></td>
    <td>When programs are translated into machine code, one of the first steps 
      is to convert the source code of the program into tokens. These are not 
      usually human readable. The tokens are designed to occupy minimal memory. 
      This simulator converts source code to tokens but does not bother to code 
      them to s