Generation of computer from 1st to 5th

Generation of computer from 1st to 5th

What is a computer ?

It is electronic device which is used for processing , storing and displaying information.


Generations of Computers :

First Generation - 

  • Period : 1940-56
  • Vaccum Tubes
  • Speed - 330 microsec 
  • Example of Ist Generation Computers - UNIVAC-1 ,ENIAC etc.

Second Generation - 

  • Period : 1956-63
  • Transistors
  • Speed - 10 microsec 
  • Example of 2nd Generation Computers - IBM 7094 , CDC 1604 etc.

Third Generation - 

  • Period : 1964-71
  • Integrated Circuits
  • Speed - 100 nanosec 
  • Example of 3rd Generation Computers - IBM 370 etc.

Fourth Generation - 

  • Period : 1971 to Present
  • LSIC , Microprocessor
  • Speed - 100 nanosec 
  • Example of 4th  Generation Computers - Apple Macintosh & IBM PC  etc.

Fifth Generation - 

  • Period : Present
  • SLSI , Artificial Intelligence
  • Speed - Not determined 

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