Bill Gates developed the ________ operating system for IBM PCs in 1980.

Operating System

A program that controls computer hardware and software assets, offering universal services for various computer applications.

IBM PCs

A reference to the series of personal computers released by IBM starting in 1981, which set the standard for PC architecture.

1980

A year marked by significant events, both culturally and historically, including the eruption of Mount St. Helens and the release of the video game Pac-Man.