A Data Entry Operator enters data into computer using various data entry devices; Inputs lists of items, alphabetic, numeric, or symbolic in computer-readable format; Compares data entered with source documents, or re-enters data in verification format on screen to detect errors; May compile, sort, and verify accuracy of data to be entered; May manipulate existing data, edit current information, or proofread new entries in database for accuracy; May utilize optical scanners; May keep record of work completed.