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Period: to
The History of Computers
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John Napier
Napier Bones could perform complex calculations -
Balise Pascal
He created a machine that could add up to 8 digits. -
Comercially and Industry
Computers were used commercially and used in industry. -
Jacquard
Developed a loon that punched cards to replicate designs. -
Charles Babbage
Created a machine called "difference machine". He created another piece of equipment called The Analytical Engine. This machine was to be able to store instructions. -
Herman Hollerith
He created a card calculator to count the U.S. Census. -
William S. Burroughs
He invented mechanical calculators. The Burroughs Company went on to become on of the leaders in the computer industry. -
Lee De Forest
Invented the electronic tube. -
German Encryption Codes
Electronic machines were developed for the purpose of breaking German encryption codes. -
Howard H. Aiken
A computer developed at Harvard University was the first programmed controlled calculator created by Howard H. Aiken. -
Colossus
This computer was completed in Great Britain. This computer took over the task of code breaking. -
Bell Laboratories
The transistor was invented by engineers William B Shockley, Walter H. Brattain, and John Bardeen. -
Integrated Circuit
This led to the introduction of the modern computer "chip". -
Microprocessors
The first microprocessors were developed in the early 1970's. -
Scelbi company
Offered a computer kit using the Xerox 8008 chip for $565. -
Apple I
Steve Wozniak and a friend, Steve Jobs, completed work on a circuit board for a new microcomputer. -
Cray 1
This was the first supercomputer which was available for purchase. The first Cray 1 was delivered in 1976. -
Apple II
They released another computer called the Apple II. This was the first personal computer to absolutely run away in popularity. -
Commodore Buisness Machines
Introduced its first personal computer called the PET. -
Radio Shack
Radio Shack, a division of the Tandy Corporation introduced the TRS-80 in August of 1977. It was less expensive than the Apple computer. -
Intel
Intel introduced the 8086 microprocessor.
