The phrase "a computer genius" is correct and usable in written English.
You can use it to describe someone who has exceptional skill or talent in computer-related fields.
Example: "After developing several innovative software applications, it's clear that she is a computer genius."
Alternatives: "a tech whiz" or "a computing prodigy."
D.K.: Not that I'm a computer genius.
The hero of "The Zero Theorem" is a computer genius called Qohen Leth (Christoph Waltz).
Jaster doesn't know much about him either, except that he's a computer genius.
A computer genius named Kidd probes the death of a colleague.
Make two of the men women, one blonde, one brunette, one a martial-arts expert, the other a computer genius.
"She's a computer genius, and I figured if she could do it, there was hope for me".
Interestingly, when faced with death, Delacourt, a crypto-fascist, and Carlyle, a computer genius-turned-military-industrial-complex-slave-driver, don't go out with a bang, but a whimper.
Hot on the orator's tail is Kit Carson, a k a The Tracker, star bloodhound for TOSA, an intelligence agency of strenuously complex origins, and Roger Kendrick, a k a Ariel, a teenage computer genius.
Just as I struggle with the complexities of possessing a genius-level IQ, medically certified photographic memory, and fluency in several Asian languages at such a young age, Brett grapples with being a recognized computer genius in an industry that considers age a factor.
Gilliam's The Zero Theorem stars Christoph Waltz as a reclusive computer genius attempting to solve a mathematical equation that will determine whether life has meaning.
The world saving essentially comes down to three people: A jet pilot extraordinaire played by Will Smith, a Jewish computer genius played by Jeff Goldblum and the goddamn Commander in Chief of these United States, played by Bill Pullman.
