1950's Computer Inventions

  • UNIVAC

    UNIVAC
    The UNIVAC was invented by Presper Eckert Jr. and John Mauchly. UNIVAC was the first commercial computer developed in the U.S. It became the first mass-produced computer with more than 45 units sold. It was given to the U.S. Bureau of the Census in March of 51 to compute and store census information.
  • IBM 701

    IBM 701
    Developed by Jerrier Haddad and Nathaniel Rochester. Also known as the Defense Calculator. Created in Columbia Universitiy's Watson Lab. Was IBM's first mainframe produced computer. Designed primarily for scientific calculations. Was an 11-piece computer. 19 units manufactured for US national labratories, the US Weather Bureau, aircraft manufacturers, and large companies like GE.
  • IBM 650

    IBM 650
    Created by Frank Hamilton. IBM only expected 50 machines to be sold. Nearly 2,000 were produced in total. The first computer to make a meaningful profit and the most popular computer of the 1950s. For businesses, scientific, and engineering users. Also marketed to punchcard users. Became popular to use for teaching computer programming in high schools and colleges.
  • IBM 350 RAMAC

    IBM 350 RAMAC
    Invented by William Goddard, John Lynott, Reynold Johnson, and Louis Stevens in San Jose, California. The first disk drive. Designed to meet the needs for real time accounting in business. Stores 5 million 6-bit characters. Was initially cancelled by IBM as threat to punch card business computers. It was responsible for the end of punched cards and paper tape.
  • IBM 7070

    IBM 7070
    Was based on transistors rather than the vacuum tubes that were used in the 1950s. Intended for commercial use. IBM's first transistor mainframe computer. Stored data in words 10 digits long plus a sign.