What Does Octet Mean?
An octet is a series of 8 bits. It is an important 8-bit designation that has played a significant role in the development of the personal computer (PC) and other hardware devices.
Techopedia Explains Octet
Some of the first microprocessors used 8-bit technologies. Further IT advances led to ever greater capacities, like 8-bit to 16-bit processors. In general, the 8-bit central processing unit (CPU) required a 16-bit address bus. The actual set of permutations involved in an octet is 256. The conventional capacity of an 8-bit system is 64 kilobytes (KB).