Byte of the 8080 and the 8086, used in early personal computers, could also perform a small number of operations on the four-bit pairs in a byte, such as the decimal-add-adjust (DAA) instruction. A four-bit quantity is often called a nibble, also "nybble", which is conveniently represented by a single hexadecimal digit. The term "octet" is used to unambiguously specify a size of eight bits. It is used extensively in protocol definitions. Historically, the term "octad" or "octade" was used to denote eight bits as well at least in Western Europe; however, this usage is no longer common. The exact origin
Byte (magazine) reminiscent of the Keystone Cops, "Byte" magazine finally has moved into separate offices of its own." Wayne Green was not happy about losing "Byte" magazine so he was going to start a new one called "Kilobyte". "Byte" quickly trademarked KILOBYTE as a cartoon series in "Byte" magazine. The new magazine was called "Kilobaud". There was competition and animosity between Byte Publications and 73 Inc. but both remained in the small town of Peterborough, New Hampshire. Articles in the first issue (September, 1975) included "Which Microprocessor For You?" by Hal Chamberlin, "Write Your Own Assembler" by Dan Fylstra and "Serial Interface"