Data entry clerks enter coded, statistical, financial and other numerical data into electronic equipment, computerized databases, spreadsheets or other data repositories using a keyboard, mouse, or optical scanner, speech recognition software or other data entry tools.
They enter data into mechanical and electronic devices to perform mathematical calculations.
(a)     Tasks include -
receiving and registering invoices, forms, records and other documents for data capture;
entering numerical data, codes and text from source material into computer-compatible storage and processing devices;
verifying accuracy and completeness of data and correcting entered data, if needed;
operating bookkeeping and calculating machines;
importing and exporting data between different database systems and software.