What Is 8-bit Of Data Called?

What Is 8-bit Of Data Called? 8 bits: octet, commonly also called byte. What is a 8 bit number? The largest number you can represent with 8 bits is 11111111, or 255 in decimal notation. Since 00000000 is the smallest, you can represent 256 things with a byte. (Remember, a bite is just a pattern.