From Paper/ books/image Files Sale, purchase, payroll entry Business card entry Mailing lists/Mailing labels entry Data capture / collection

For a mailing company, data entry clerks might be required to type in reference numbers for items of mail which had failed to reach their destination, so that the relevant addresses could be deleted from the database used to send the mail out. If the company was compiling a database from addresses handwritten on a questionnaire, the person typing those into the database would be a data entry clerk. In a cash office, a data entry clerk might be required to type expenses into a database using numerical codes.

Data Conversion via Input / Output (any format) Text to PDF and PDF to text Text to Word Word to XML Add, remove and change records

Commercial data processing involves a large volume of input data, relatively few computational operations, and a large volume of output. For example, an insurance company needs to keep records on tens or hundreds of thousands of policies, print and mail bills, and receive and post payments.