A brief history of computing machines

• Early computing devices

  • 1822: Charles Babbage - Difference Engine - Analytical EngineAda Augusta - the first programmer
  • 1944: Mark I, an electromechanical computer

• Electronic computers

• First generation - vacuum tubes

  • 1946: ENIAC - Electronic Numerical Integrator and Computer
  • UNIVAC - Universal Automatic Computer

• Second generation [1959-1965]: transistors

  • 1958: IBM 7090
  • 1963: PDP-8, the first minicomputer

• Third generation [‘60-’70]: integrated circuits

• 1964: IBM System/360

• Fourth generation: VLSI

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