Entered and verified alphanumeric data from a various sources, paper-based, electronic and phone, into a computer database. Resolved problems related to correct data entry procedures. Coded, searched, extracted and interpreted information to determine correct input procedure. Transcribed, entered and verified various alphanumeric data onto an on-line, batch mode and personal computer system. Maintained files, records and chronologies of entry activities, some moderately complex in nature. Produced output on magnetic tape, diskettes and other media. Supervised less experienced data entry operators.