How Robots Count
Did you know computers only count using 0 and 1? But they can still add big numbers together using their secret logic gates!
The Half Adder
This is a tiny “Adding Machine.” It uses an XOR Gate for the answer and an AND Gate for the extra part (the carry).
Input A
+
Input B
Digital Logic Logic (Half Adder)
Carry (AND)
0
Sum (XOR)
0