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Computer Generations

Often historians and scientis alike like to compare the technological developmentd to generations of computers. Below you'll find one of them.

Generation Time slots Principal technology Principal Architecture Main player
Zeroth Generation 1920's-1950's Electro-mechanical Relais Konrad Zuse
First
Generation
1940's-1960's Vacuum
Tubes

Mainframes

Examples include ENIAC, the Mark 1, and the IAS computer.

Lee De Forest
Second
Generation
1960's-mid 1970's Transistor Mainframes William Shockley
Third
Generation
late 1960's-1970's Integrated
Circuit
Mainframes
Minicomputers
Jack Kilby,
Robert Noyce
Fourth
Generation
1970's-today

Microprocessor

  • LSI
  • VLSI
  • Vector
Mainframes
Minicomputers
Microcomputers
Ted Hoff
Fifth Generation 1990's -today   Beginning use of artificial intelligence.  

 

 

Go Back Last Updated on 20-Jun-2006 For suggestions  please mail the editors 

Footnotes & References