I FIND THIS AMAZING & POWERFUL

?DOES ANYBODY KNOW WHAT BINARY CODE IS
ITS 400 YEARS OLD
&
WITHOUT THIS THER WOULDNT BE ANY COMPUTERS
ITS ALSO AMAZINGLY POWERFUL BECAUSE YOU CAN DO MORE COMPUTATIONS WITH LESS DIGITS
IT TOOK ME A WHILE TO UNDERSTAND BUT ABSOLUTELY AMAZING
LETS SEE IF I CAN DESCRIBE IT 
NO
FIRST I'LL GOOGLE IT