title: What is the advantage of having instructions in a uniform format?
body: <p>Many processors have instructions which are of uniform format and width such as the ARM where all instructions are 32-bit long. other processors have instructions in multiple widths of say 2, 3, or 4 bytes long, such as 8086.</p>
  
  <ol>
  <li>What is the advantage of having all instructions the same width and in a uniform format?</li>
  <li>What is the advantage of having instructions in multiple widths?</li>
  </ol>