ave memory. This is because the programs are too small use much 
      memory.</td>
  </tr>
  <tr valign="top"> 
    <td><strong>Twos complement </strong></td>
    <td>Binary numbers where the left most bit determines whether the number is 
      positive or negative.</td>
  </tr>
  <tr valign="top"> 
    <td><strong>Unicode</strong></td>
    <td>A 16 bit character code with 65536 text characters for all the languages 
      in the world including most dead (disused) languages. This code is repla