title: Logic gates: Why is the sum of 1 and 1 in an OR gate 1?
body: <p>According to arithmetics of binary numbers, the sum would be 2 a decimal 2. This is 10 in binary. so the sum would be 0 and the carry 1.  But the carry is not represented in, right?</p>
  <p><a href="https://i.stack.imgur.com/dvMjY.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/dvMjY.png" alt="enter image description here" /></a></p>