Question

In the 1980s, nearly all pcs running on the intel chip used ________ as their operating system.

Answer 1

MS-DOS

In the 1980s, nearly all pcs running on the Intel chip used MS-DOS as their operating system. MS stands for Microsoft Software, while Dos stands for Disk Operating System, and the operating system was made by Microsoft specifically for the intel chips, as a modification of the system created by Wozniak.  Gary Kidall was behind the Microsoft version of the software.