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John Napier
Scottish mathematician John Napier invented a set of rods (called Napier's Bones) that could perform calculations. These rods can be used to divide, multiply, add, subtract, and square/cube roots. -
Joseph-Marie Jacquard
Joseph-Marie Jacquard developed a weaving loom that used punch cards to replicate designs. This introduction was a revolutionary step towards computer input. -
Charles Babbage
He had the first conceived idea of a "computer" (input-exectution-output). -
Herman Hollerith
Herman Hollerith creates the punch card calculator -
Lee de Forest
Lee de Forest invents the electronic tube. -
Charles Babbage
Charles Babbage's son manages to complete the central component of his father's Analytical Engine, and it works perfectly! -
Electronic Machines
Electronic machines are developed for the purpose of breaking German encryption codes. -
Howard H. Aiken
Howard H. Aiken of Harvard University makes the first programmed controlled calculator; it worked by punched cards or paper tape. -
Colossus
The computer called the Colossus was completed in Great Britain. This took over the task of code breaking. Ten were built, but hey were all destroyed after WWII. -
Transitor
The transitor was developed by William B. Shockley, Walter H. Brattain, and John Bardeen at Bell Laboratories. -
Integrated Circuit
The integrated circuit was invented. -
Intel
Intel produces a more powerful microprocessor (8080). -
Scelbi Company
Scelbi Company offers computer kit using the Xerox 8008 chip for $565. -
Cray I
The first supercomputer, Cray I, is delivered. -
Apple I
Steve Jobs and Steve Wozniak work on a circuit board for a new microcomputer and build housing that included a keyboard for input. -
Commodore Business Machines
In 1977, they released their first personalized computer (the PET). Its "secret" to business was that it had good software for lower prices. -
Apple II
The second computer Steve Jobs and Steve Wozniak release together; this becomes the first personalized computer to "run away" with such popularity. -
Radio Shack
Radio Shack introduced the TRS-80, which was much more affordable than Apple computers -
Intel
Intel introduces the 8086 microprocessor, which is a 16-bit processor with nearly 29,000 transistors. This all gives it more power and speed.
