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Binary

Computers store information in a language called binary. One bit of a computer either has data or it doesn’t. If a bit is being used, we call that “1”. If a bit is not being used, we call that “0”.

This video from Code.org explains how computers use binary code to store data.



You can code information like your name in binary. You just need to use this key. The dark squares are a “1”. The blank squares are not used, so they are a “0”.

A key for coding letters in binary code.

Machine code reads the binary language. People write machine code to make computers run. These people make it easier for programmers to write in easier languages like <b>HTML</b>!