Binary is an awesome thing. It is how computers read and is fun to decode. If you don’t know how binary works, you’ve come to the right place. 01000010=65=A.
How binary works
Binary is based off powers of two, you read binary from right to left, and binary is usually only 8 digits long. 1 means on (count that power of two), and 0 means off. this is how it reads: