Alternate timeline
(covers information from an alternate timeline)
In an alternate timeline, the microcomputer revolution was an event in Earth history, a shift towards smaller computers.
In 1996, Henry Starling tried to defend his theft of advanced 29th century technology from the timeship Aeon, saying he created the microcomputer revolution. Kathryn Janeway wasn't impressed in the least. (VOY: "Future's End, Part II")