title: What is a Relocation Register
body: <p>I am reading the book <code>Operating system 9th edition</code> and in chapter 8 is mentioned a topic called <strong>Address Binding</strong> in Operating System. While reading the topic I came through a topic relocation register, but I'm still confused concerning the following questions as the book didn't include a fine description to clarify the concept. My questions are</p>
  
  <ul>
  <li>What is <strong>relocation register</strong>? </li>
  <li>How it is used in address mapping from logical to physical address?</li>
  </ul>