Lexikon's History of Computing

Brief Timeline

This timelines show just a few of the early computers and when they appeared.

Year

1939

1940

1946

1948

1949

1950

1951

1952

1953

1954

1955

1956

1957

Computer

Z3

ABC

ENIAC

IBM 604

Whirlwind

SEAC

UNIVAC 1

EDVAC

IBM 650

IBM 705

DATAMATIC

RAMAC

NCR 304

Year

1960

1965

1968

1974

1977

1981

1981

1984

1999

2002

Computer

DEC PDP1

ILLIAC IV

DEC PDP8

ALTAIR

Commodore PET

Osborne 1

IBM PC

Apple Macintosh

PALM V

2 GHz PC

 

Phenomenal Growth In Computers

Year

1936

1946

1956

2000

Number of Electronic Digital Computers in the World
(Estimated)

None

Less than 10

Less than 6000

Over 500 Million

Return to Title Page