Man at IBM RAMAC machine and roll of tape turning. The read/write head is slipping back and forth over a spinning disk. The narrator states data is stored as magnetic spots on the surface of the disk. Surface of the disk is shown. Shot of a man putting a disk pack into the computer, banks of disk drives and woman and man at terminals. Woman at old punch card system and shot of old punch card system. Narrator discusses how each department had a set of machines -- shot of two men in a computer room, printed reports, man reviewing reports and a discussion of the old method called batch processing. Teller line at a bank with tellers processing transactions for customers. Narrator discusses the new method of operations is online real time information systems. Shot of online terminal printing a transaction and man taking report of transaction and handing it to a customer.