We prepare source data for computer entry by compiling and sorting information; establishing entry priorities. We process customer and account source documents by reviewing data for deficiencies; resolving discrepancies by using standard procedures. We enter customer and account data by inputting alphabetic and numeric information on keyboard or optical scanner according to screen format. We maintain data entry requirements by following data program techniques and procedures. We verify 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.