computer history ranger

  • Ada Lovelace

    1. What did the term 'computer' mean? a person whose job it was to perform calculations.
    2. Main contribution: the first computer programmer
  • Alan Turning

    1. What did the term 'computer' mean? a single machine that can be turned to any well-defined task by being supplied with an algorithm, or a program.
    2. Main contribution: developing the first modern computer
  • Mauchly and Eckert

    Mauchly and Eckert
    1. Time Period: (March 1946 – 1950)
    2. What did the term 'computer' mean? a computer that would use electricity to "think.
    3. Main contribution: inventing the ENIAC
  • Charles Babbage

    1. what did the term 'computer' mean? a basic modern computer.
    2. Main contribution: conceived the first automatic digital computer
  • grace hopper

    1. Time Period: 1977 to 1986
    2. What did the term 'computer' mean? a machine that did the same work.
    3. Main contribution: one of the first computer programmers to work on the Harvard Mark I.
  • Mark Dean

    1. Time Period: 1980
    2. What did the term 'computer' mean? improved the personal computer (PC) through the Industry Standard Architecture (ISA) systems bus
    3. Main contribution: He developed the ISA bus, and he led a design team for making a one-gigahertz computer processor chip.