Correct Option: D

V.A. Shiva Ayyadurai, an Indian-born American scientist and entrepreneur, developed a computer program in 1978, which replicated the features of the interoffice, inter-organizational paper mail system. He named his program “EMAIL”. It was the world’s first full-scale electronic emulation of mail system consisting of: Inbox, Outbox, Folders, the Memo, Attachments, etc.The US Copyright Office issued a Certificate of Registration to him on the program in 1982.