Binary vs. base 10. Base 10 is great for humans, but -- for reasons dealing with the on and off energy states -- computers use a base 2 number system. With base 2, or binary, every digit represents a ...

01001000 01100101 01101100 01101100 01101111 00100001. Those ones and zeros might not look like anything to you, but in binary code the numbers are actually saying “Hello!”. Any code that uses just ...