The Computer Wore Tennis Shoes (1995)

"Dexter Riley just became the smartest kid in school... with a little help from his computer!"

By accident, the content of a computer encyclopedia is transferred into the brain of Dexter Riley, a less than average college boy. Because of his newly acquired knowledge he competes in a quiz show between various universities, where he sweeps all the points. A wiz kid from another university finds out about his cheated wisdom and does everything to discredit Dexter.