Timeline


Abacus
1300 BC

Astrolabe
220 - 150 BC

Da Vinci's Calculator
1502

Slide Rule
17th Century

Napier's Bones
1617


Blaise Pascal
1623 - 1662

Pascal's Arithmetic Machine
1642

Gottfried Wilhelm
1646 - 1716

Step Reckoner
1694

Charles Babbage
1791 - 1871


Jacquard's Loom
1804

George Boole
1815 - 1864

Lady Ada Lovelace
1815 - 1852

Difference Machine
1820s-30s

Herman Hollerith
1860 - 1929


Analytical Engine
1871

Hollerith Machine
1890

John V. Atanasoff
1903 - 1995

John Von Neumann
1903 - 1957

Grace Hopper
1906 - 1992


J. Presper Eckert/John W. Mauchly
1919 - 1995

Alan Turing
1912 - 1954

Jack Kilby
1923 - 2005

Niklaus Wirth
1934 -

Turing Machine
1936


ABC
1939

Zuse Z3
1941

Colossus MK II
1943 - 1945

EDVAC
1944

Harvard Mark I
1944


ENIAC
1945

EDSAC
1947

Baby
1948

BINAC
1949s

Bjarne Stoustrup
1950 -


Mainframe Computer
1950s

UNIVAC
1951

Bill Gates
1955 -

Steve Jobs
1955 - 2011

FORTRAN
1956


COBOL
1959

Integrated Circuit
1959

Mini Computer
1960s

Transistor
1962

BASIC
1964


PASCAL
1970

Intel 4004
1971

Microprocessor
1971

UNIX
1971

C
1972


Smalltalk
1972

Altair Computer
1974

CP/M
1974

Cray Supercomputer
1975

Apple II
1977


IBM PC
1981

Xerox Star
1981

Apple Macintosh
1985

C++
1985

NeXT
1985


Linux
1991