Joke Collection Website - Cold jokes - Ask the meaning of a sentence! !

Ask the meaning of a sentence! !

Literally: There are 10 kinds of people in the world: those who know binary and those who don't.

Explain the pun used here, an English figure of speech.

10 type has two meanings: 10 type or binary representation.

In addition, pun is often used in English jokes.

Why is a river rich? ! Because it has two banks! Banks means river bank and river bank.