title: in li $v0, 8 what means 8? mips
body: <p>I know that's a stupid question for you, but in those lines:</p>
  
  <pre><code>la $a0, input
  li $v0, 4 
  syscall
  </code></pre>
  
  <hr>
  
  <pre><code>la $a0, insert 
  la $a1, insert 
  li $v0, 8
  syscall
  </code></pre>
  
  <p>What means 4 and 8?</p>