uhh .. what is I/O psychology? maybe there is some obvious abbreviation that I am missing. but I/O .. well to a programmer that is always input-output and I am

uhh .. what is I/O psychology? maybe there is some obvious abbreviation that I am missing. but I/O .. well to a programmer that is always input-output and I am having a hard time thinking about what psychology might be involved in reading/writing to disks for instance.