Generation 1 1946-1958

The first computer generation was in 1940-1956. The first Computer used Vacuum Tubes and magnetic drums for memory. ENIAC( Electronic Numerical Intergrator And Computer) was the first computer made on 1945. the size of ENIAC is as big as a football field. The ENIAC consist of 18.000 of Vacuum Tubes and magnetic drums for data storage.

 

ENIAC                                                                                                         Vacuum Tube