title: The difference between logical shift right, arithmetic shift right, and rotate right
body: <p>I've been reading the classic Hacker's delight and I am having trouble understanding the difference between logical shift right,arithmetic shift right, and rotate right. Please excuse if the doubt seems too simple. </p>
  
  <p><a href="https://i.stack.imgur.com/4J4Gi.png" rel="noreferrer"><img src="https://i.stack.imgur.com/4J4Gi.png" alt="Also why is there no arithmetic shift left?"></a></p>