Byte

A byte is the smallest unit of data which a given computer can handle. Modern computers typically support bytes which are 8 bits wide. Older machines, with word sizes which were not a multiple of 8 bits, often supported byte sizes other than 8 - e.g. 6-bit bytes, on 36-bit machines. The standard abbreviation for 'byte' (e.g. in giving main memory sizes) is 'B'.