1. Information such as the name, address and contact number of a person is known as (a) data source (c) letter (b) main document (d) finished document 2 ) Needs to be created for mailing or sending letters to various people. (b) Main document (a) Recipient list (c) Letter (d) None of these 3. The text which we have to send to all the addresses is present in the (a) main document b) computer (c) data source