This was an 80s movie, the kid had super intelligence, was able to read barcodes and I think could some how ID people if they had arrest records. I also remember him being attacked by some sort of virus he got through the phone. I want to say it's because of some sort of accident with a computer.
This could be The Computer Wore Tennis Shoes. The date isn't right, there is the 1969 version starring Kurt RusselL and the 1995 remake starring Kirk Cameron. An accident involving an electric shock makes him into a human computer. I don't remember details involving reading barcodes or computer virus. But it's a place to start.