We'd all be typing on "NCR-compatible" somethings...
What happens if Thomas J. Watson Sr., CEO of IBM, was never born?
Computing as an industry was an outgrowth of electrical engineering, as fuelled by Twentieth Century commercial, scientific, technological, and military needs.
Some company akin to IBM would have arisen in the US in the 1940s-50s.
Where it would have gone from there is wide open, but the economic needs and the technical abilities to fill them were in place as early as the 'teens; without the Crash and Depression, the computing revolution might have come a decade earlier.
Best,