c equipment is frequently controlled by a small 
      microcomputer called a microcontroller. The control system is programmed 
      once for life so a TV remote controller can not be re-programmed as a washing 
      machine controller.</td>
  </tr>
  <tr valign="top"> 
    <td><strong>CPU</strong></td>
    <td>Central Processing Unit. The part of the computer that does the computations. 
      Usually this is a single microchip.</td>
  </tr>
  <tr valign="top"> 
    <td><strong>Cursor</strong