Byte tended to be the most technical of mainstream computer magazines though it became less so over time. It was not PC specific (after all, it was being published long before IBM's PC was released). 1981 was the same year the PC first appeared. If you owned a "home computer" it was likely made by Apple, Commodore, Atari, or Tandy. Personal computers on the business side were most often CP/M based. The November 1981 issue of Byte includes:
