Transistors

• 1948 – transistor (Bell Telephone Labs) – replaced larger vacuum tubes

  • Used in computers by 1956 – 2nd Generation

• UNIVAC (Universal Automatic Computer)

  • 1951 – can store 12,000 digits in RAM.

• EDVAC (Electronic Discrete Variable Computer)

  • 1952 – Ordinance department.
  • John von Neumann (1903-1957) – EDVAC (1945) (1st Gen)

Previous slide

Next slide

Back to first slide

View graphic version