18-bit Timeline

|  | Information Research Services | Updated: 25 September 1997

|  |  |  |  |  |  |  | August 1959: Design work begins on Digital's first computer, the Programmed Data Processor-1 (PDP-1).
|  |  |  |  |  |  |  | November 1960: The PDP-1, the world's first small, interactive computer is delivered to Bolt, Beranek and Newman (BBN), a computer consulting firm in Cambridge, Massachusetts.
|  |  |  |  |  |  |  | 1961: Gordon Bell begins design work on the PDP-4.
|  |  |  |  |  |  |  | July 1962: Shipments begin of the PDP-4, DIGITAL's second 18-bit computer.
|  |  |  |  |  |  |  | December 1964: The PDP-7, Digital's third 18-bit computer, is introduced.
|  |  |  |  |  |  |  | 1965: The PDP-7A is introduced.
|  |  |  |  |  |  |  | August 1966: The PDP-9, DIGITAL's fourth 18-bit computer system ships.
|  |  |  |  |  |  |  | 1969: The PDP-15, successor to the PDP-9 and 9/L, is introduced.
|  |  |  |  |  |  |  | 1970: MUMPS software for the PDP-15 is introduced.