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Analytical Machine Prototype designed
Charles Babbage designs the first Difference Engine prototype -
Difference engine produced
Charles Babbage and Joseph Clement produces a Difference engine prototype segment -
Punch card proposed
Semen Korsakov proposes the usage of punch cards for information storage and search -
Analytical Machine designed
Charles Babbage conceived and designed the Analytical Machine -
Analytical Machine first exposition
Analytical Machine's first public exposition in Turin, Italy -
Binary Algebra developed
George Boole develops Binary algebra, called Boolean Algebra -
Arithmometer manufactured
The arithmometer, the first mass-produced mechanical calculator, is produced -
Tabulating Machine completed
The first full scale Difference Engine, called the Tabulating Machine, is completed by the Scheutzes in Sweden -
The logical abacus is built
The first practical logic machine, the Logical Abacus, is built by William Jevons -
Hollerith Tabulating Machine first used
The Baltimore Dept. of Health uses the Tabulating machine created by Herman Hollerith -
First 10-key adding machine released
The Standard Adding Machine Company releases the first 10-key adding machine -
First flip-flop circuit design published
William Eccles and F.W. Jordan publishes the first flip-flop circuit design -
Punch card standardized
IBM standardizes punch cards, called IBM Cards -
Z1 completed
Konrad Zuse completes Z1, the first mechanical binary programmable computer -
Z2 completed
The Z2, the successor to the Z1, is completed which combined the Z1's memory with new arithmetic unit using relay logic -
Z3 completed
The Z3, the first operational programmable computer, is completed with backing from the DVL -
S1 completed
Konrad Zuse develops the S1, the first process computer -
Plankalkul developed
Zuse develops the first higher-level programming language -
First assembly language developed
Kathleen Booth develops the first assembly language -
EDSAC computer developed
Maurice Wikes and his Cambridge team executes the first stored program on the EDSAC computer -
UNIVAC created
UNIVAC, the first commercially successful electronic computer and first general-purpose computer designed -
Whirlwind becomes operational
Whirlwind, the first real-time computer, becomes operational -
Integrated circuit developed
Jack Kirby develops the first integrated circuit -
Spacewar! developed
Spacewar!, an early and influential computer game, is written -
CDC 6600 developed
The first supercomputer, the Computer Data CDC 6600, is developed