GENERATIONS OF COMPUTER
First generation Computers (1946)
> These Computers were based on the vacuum tube technology or Electronic valves
>ENIAC was the first Computer in this category
>ENIAC- Electronic Numerical Integrator And Calculating Machine
>EDSAC- Electronic Delay Storage Automatic Computer
>EDVAC- Electronic Discrete Variable Automatic Computer
The other Computers belonging to this generation are:
⦁ Lyons Electronic Office (LEO)
⦁ UNIVAC-1
⦁ IBM-701
⦁ IBM-605
Second Generation Computers (1948)
> These Computers were based on the Transistors
⦁ IBM 1620
⦁ IBM 1401
⦁ IBM 7094
⦁ CDC 1604
⦁ CDC 3600
⦁ RCA 501
⦁ JACK KILBY
Third Generation Computers (1964) called Mini Computers.
> These Computers were based on Integrated Circuits (IC)
> Magnetic Disk used in this generation Main Frame Computers
⦁ IBM 360
⦁ ICL 1900
⦁ IBM 370
⦁ ICL 2900
⦁ HONEYWELL 6000
Fourth Generation Computers.
> Used SILICON CHIP were introduced as micro processor.
⦁ INTEL 4004
⦁ COMMODORE PET
⦁ APPLE SERIES I & II
⦁ IBM PC
Fifth Generation Computers.
> Artificial Intelligence were introduced
The Chips used in these computers are VLSI (Very Large Scale Integrated), LSI and ULSI.
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