 the instruction 
      pointer is highlighted red with yellow text.</td>
  </tr>
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    <td><strong>Instruction Set</strong></td>
    <td>The set of instructions that are recognised by a CPU. Typical instructions 
      are Move, Add and Subtract.</td>
  </tr>
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    <td><strong>interrupt code<br>
      interrupt handler<br>
      Interrupt routine </strong></td>
    <td>A program fragment designed to be activated at any time that an interrupt 
      occurs.