igahertz</strong></td>
    <td>1000 Megahertz. CPU Clock speeds are now measured in gigahertz.</td>
  </tr>
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    <td><strong>Graphics</strong></td>
    <td>Images, pictures and geometrical shapes are examples of graphics. Windows 
      displays everything as graphics. This gives good looking displays but a 
      lot of processing is needed to achieve it.</td>
  </tr>
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    <td><strong>Hard disk</strong></td>
    <td>A disk that can not normally be removed 