How early army used computers: 1957 Automatic Data Processing. Great footage of the IBM 705 mainframe in a data processing environment, and glimpses of the UNIVAC I, IBM 650, RCA BIZMAC and Burroughs Datatron. Block diagram explanation of how ADP works, followed by more footage of the IBM data center in action. Here is a time code of where various topics start in the film. Uploaded for educational and historical purposes for the Computer History Archives Project (CHAP).