Prepares source data for computer entry by compiling and sorting information; establishing entry priorities. Processes customer and account source documents by reviewing data for deficiencies; resolving discrepancies by using standard procedures Enters customer and account data by inputting alphabetic and numeric information on keyboard or optical scanner according to screen format. Maintains data entry requirements by following data program techniques and procedures. Verifies entered customer and account data by reviewing, correcting, deleting, or reentering data; combining data from both systems when account information is incomplete; purging files to eliminate duplication of data. Secures information by completing data base backups. Maintains operations by following policies and procedures; reporting needed changes. Maintains customer confidence and protects operations by keeping information confidential.