1. a group of binary digits or bits (usually eight) operated on as a unit.
1.1. a byte considered as a unit of memory size.

1. adjacent bits, usually eight, processed by a computer as a unit.
2. the combination of bits used to represent a particular letter, number, or special character.

The byte is a unit of digital information that most commonly consists of eight bits. Historically, the byte was the number of bits used to encode a single character of text in a computer.

A unit of computer information or data-storage capacity that consists of a group of eight bits and that is used especially to represent an alphanumeric character.