Microsystems was a personal computing magazine founded by Sol Libes and published from January 1980 to November 1984. Oriented toward the home and business personal computer user, it included an editorial page, letters from readers, technical articles, and advertisements. As a historical reference, it is notable for chronicling in detail the early days of the personal computer. Topics covered in its issues included:IEEE-696 / S-100 bus systems the CP/M operating systems from Digital Research: CP/M-80, CP/M Plus, CP/M-86, and MP/M the MS-DOS operating system from Microsoft implementations of the PL/I language: PL/I-80 and PL/I-86 from Digital Research the Turbo Pascal and UCSD Pascal languages the 8080, Z80, 8086, and 80286 microprocessors