hand bit in a byte which is worth 0 or 128.<br> <br>
      Most Significant Bit. The left hand bit in a byte. It has a value of 128 
      decimal or 80Hex if the byte is unsigned (positive numbers only). It has 
      a value of -128 if the byte is signed (positive and negative numbers). The 
      MSB has a value that depends on how wide in bits the data storage location 
      is.</td>
  </tr>
  <tr valign="top"> 
    <td><strong>Multiplexing</strong></td>
    <td>Combining two or more data flow