PDP-4 Design

|  | Information Research Services | Updated: 19 November 1997

|  |  |  |  | The PDP-4 was aimed at applications with not many calculations, but rather the single manipulation of input and output, such as controlling a bakery or fleet of elevators. "As computers [like the PDP-4] become smaller and less expensive," said Bell, "they will take over some special system types...then the computer becomes a 'module' of the system."