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2000 B.C - ???? - STONEHENGE
500 B.B - ??? - ABACUS
1550 - JOHN NAPIER - NAPIER'S BONES
1600 - SLIDE RULE - WILLIAM OUGHTRED
1642 - BLAISE PASCAL - PASCALINE
1673 - GOTTFRIED LEIBNIZ - STEP RECKONER
1804 - JOSEPH MARIE JACQUARD - JACQUARD'S LOOM
1822 - CHARLES BABBAGE - DIFFERENCE ENGINE
1833 - LADY ADA AUGUSTA BYRON - ANALYTICAL ENGINE
1884 - HERMAN HOLLERITH - ELECTRO MECHANICAL PUNCH-CARD SYSTEM
1939 - CLIFFORD BERRY AND JOHN ATANASOFF - ATANASOFF BERRY COMPUTER
1943 - JOHN MAUCHLY AND JOHN PRESPER ECKERT - ENIAC AND UNIVAC
1944 - HOWARD H. AIKEN - MARK I
1946 - JOHN VON NEUMANN - VON NEUMANN MACHINE
1951 - ??? - UNIVAC (commercially)
1957 - JOHN BACKUS - FORTRAN
1964 - CONTROL DATA CORP - JOHN GEORGE KIMENY AND THOMAS EUGENE KURTZ
1965 - ???? - PDP-8
1967 - ???? - MACKHACK
1968 - EDSGER DUSKTRA - STRUCTURED PROGRAMMING
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