cing 
      ASCII.</td>
  </tr>
  <tr valign="top"> 
    <td><strong>Unsigned numbers </strong></td>
    <td>Numbers without a sign bit. These are always positive.</td>
  </tr>
  <tr valign="top"> 
    <td><strong>USERINFO.REG </strong></td>
    <td>Simulator registration information is contained in this file. It is a 
      text file and has nothing to do with the Windows registry. The same file 
      format was used under Windows 3 which did not have a registry.</td>
  </tr>
  <tr valign="to