title: Page frame number vs. Page table entry
body: <p>So what exactly are the difference between page frame number and page table entry? </p>
  
  <p>which one of the following is true:</p>
  
  <pre><code>physical_address = PTE * page_size + offset
  </code></pre>
  
  
  
  <pre><code>physical_address = PFN * page_size + offset
  </code></pre>